**Changes to the List of Materials**

April 2, 2024

1. Page be(4.3)

a. Added Togami Electric Mfg. Co., Ltd.

i. Single-phase and Three-phase.

March 22, 2024

1. Pages c-1; n-1

a. Moved Threaded Fasteners, Inc. from Conditional to Full Acceptance.

December 13, 2023

1. Pages u-1; aa, ab

a. Corrections to Allied Bolt catalog numbers.

December 5, 2023

1. Page af-1.1

a. Added IUSA

i. Type C (porcelain), Type C (polymer).

November 1, 2023

1. Page rp(1.4)

a. Added Celeco®

August 9, 2023

1. Pages bz-1, bz-2

a. Revised Maysteel Trinetics to Hubbell Trinetics.

b. Added VS models.

July 5, 2023

1. Page rp(1.3)

a. Revised Midsun Group, Inc.

i. Changed “E/Bushing Full Cover**” to “E/Silicone Wildlife Covers**”.

July 3, 2023

1. Page rp(1.3)

a. Added Midsun Group, Inc.

i. E/Flex Barrier*, E/Anti-Nesting Barrier*, E/Bushing Full Cover**

March 27, 2023

1. Page z-5.1

a. Updated Hubbell catalog numbers.

March 5, 2023

1. Page g(1.3)

a. Revised Wagner listings to include both 8’ and 10’ arms.

March 1, 2023

1. Page g(1.3)

a. Added Wagners

i. Catalog numbers: WGN-S1000, WGN-S3000

November 29, 2022

1. Page be(2.3)

a. Added Siemens

i. CMR multi-phase recloser.

August 19, 2022

1. Page U hv(1)

a. Added LS Cable and System U.S.A., Inc.

i. (VI) Dow EnduranceTM HFDC 4202 EC

July 26, 2022

1. Added page U hv-4

a. Cable, Underground, 600 Volt Cable (Alternative Cable Constructions)

May 24, 2022

1. Pages U he-1 and U he-2

a. Added Howard Industries.

April 13, 2022

1. Page eq(2.1)

a. Added Fiberglass Line Hardware

i. catalog numbers FLH0-1-15C1 and FLHR-1-15V.

March 25, 2022

1. Section ai – Ground Rods

a. Revised page numbering for consistency: page ai(1) changed to ai-4; page ai(3) changed to ai-5.

March 24, 2022

1. Page rp(1)

a. Added Kaddas

i. Catalog numbers KE1501, KE1182-03, KE1203, KE1077 Rev A, KE1079 Rev B, KE1198, KE1166-01.

February 18, 2022

1. Pages Uhb-1.2 and Uhb-2.2

a. Moved Richards from page Uhb-1.2 (200A rated) to Uhb-2.2 (600A rated).

b. Removed page Uhb-1.2.

February 15, 2022

1. Page p-11

a. Added Richards

i. Catalog numbers ABWC Series.

2. Pages Uhb-1.2 and Uhb-2

a. Moved Richards CSH Series from page Uhb-1.2 (200A) to Uhb-2 (600A).

December 2, 2021

1. Pages p-11, ap-1, ap-2

a. Added AFL.

August 3, 2021

1. Page be(2.3)

a. Added Siemens

i. CMR

May 6, 2021

1. Page Ugn-2

a. Added Aluma-Form

i. ENC Series

April 27, 2021

1. Page Ugk-2.2

a. Added Prysmian

i. PCT Series (15, 25, 35kV)

February 9, 2021

1. Page be(4.3)

a. Added Southern States single-phase SSR type recloser.

February 4, 2021

1. Pages rp(1), rp(1.2)

a. Revised “Cantega” to “Hubbell Power Systems”.

b. Added trademark to Reliaguard.

December 10, 2020

1. Page ap-2

a. Modified page number from “1.1” to “2”.

November 18, 2020

1. Pages an-3 and an(3.1)

a. Moved Virginia Transformer from page an(3.1) Conditional to page an-3 Full Acceptance.

November 6, 2020

1. Page ae-1

a. Added Celeco

i. Catalog Numbers: HSCEL, RPCEL

October 26, 2020

1. Page Uhb-1.1

a. Added TE Connectivity

i. Catalog Numbers:  25 kV, used with loadbreak connectors (without test point) - ELB-25-200 series without jacket seal, ELB-25-200-ES series with jacket seal

October 23, 2020

1. Page p(1)

a. Added TE Connectivity (Raychem)

i. Catalog number: TIL Series

September 30, 2020

1. Pages a(3), ea(4), ea(5) – Added new Hendrix insulator models.

a. Catalog Numbers: HPI-15VTC, HPI-15VTP, HPI-25VTC-02, HPI-35VTC-02, HPI-35VTP-02, HPI-LP-14FS/FA, HPI-LP-16F, HPI-CLP-15, HPI-CLP-17, HPI-CLP-20

July 7, 2020

1. Page cm-2 – Added Aluma-Form, Inc.

June 25, 2020

1. Page an(1.1) - Added additional kVA ratings for Prolec GE.

2. Page an(1.2) – Added Prolec GE for non-porcelain bushings.

May 21, 2020

1. Added Hubbell Power Systems

a. Page gj(3)

April 20, 2020

1. Pages sd-1.1, se-1.1

a. Added lnstrument Transformer Equipment Corp (ITEC)

April 15, 2020

1. Pages cg-4

a. Revised “Bridges Electric” to “Siemens”.

b. Added note to Siemens:

i. applies to both polymer and porcelain insulators

March 27, 2020

1. Pages z(2)

a. Added Watson Anchor.

March 23, 2020

1. Page Uhb-1.2

a. Added Richards Manufacturing CS8 Series cold-shrinkable connector and CHS Series deadbreak elbow.

2. Page Ufz-1

a. Added Durham Company 9112212 250 Splice-n-Tap

March 13, 2020

1. Page av-1 Conductor, ACSR

a. Added WTEC

February 11, 2020

1. Added Centelsa

a. Page av-1 – Conductor, ACSR 

b. Page Uhv-2 – Cable, underground, 600V

February 10, 2020

1. Revised all references of “U-1” to “7 CFR 1728.204”.

a. Pages U hv-1, U hv-1.1, U hv(1). 

February 7, 2020

1. Added SAE

a. Page dh-2 – Pole Ground, Alternative Materials

i. CD-2W-12, CD-2WC-12, CD-4C-12, CD-2C-12, CD-1/0C-12, CD-2/0C-12, CC25, CC55, CF7000

January 6, 2020

1. Added ConduGround

a. Page cj(1) - Pole Ground Wire, alternative conductor

b. Page sr(2) - Conductor for Substation Grounding, alternative conductor

December 26, 2019

1. Revised Malton to American Padmount Systems (APS) listings

a. Page Ugn-1

i. Remove MEV Series

b. Pages U gu-2.1, U ja-2

2. Revise Malton to ABB

a. Pages U he-1, U he-2, U he-3.2, 

September 24, 2019

1. af – Cutout, distribution, open

a. Added Peak Demand Inc.

i. Catalog numbers: FCP series (porcelain) and FCS series (polymer).

September 9, 2019

1. w-1 Guy Strain Insulators, fiberglass

a. Added Preformed Line Products

i. GSF16 Series and GSF21 Series

August 16, 2019

1. be(4.3) – Recloser, vacuum interrupter with solid dielectric

a. Added Southern States

2. go-1 – Fault Indicators, overhead

a. Added Smart Grid Solutions

i. FI-5A

3. Ugo-1 – Fault Indicators, underground

a. Added Smart Grid Solutions

i. FI-3C

July 18, 2019

1. ae-1 – Surge (lightning) Arrester, Distribution Class

a. Added Celeco

i. Model PSAMOV-HDDC

June 27, 2019

1. U go – Fault Indicators

a. Updated catalog number for Horstmann.

b. Added new Horstmann model 41-2001.

June 19, 2019

1. Uhv(1) Cable, underground

a. Added General Cable insulation:

i. (EAM) General Cable EI-4000-LF

May 15, 2019

1. ea(2) – Insulator, post type (Composite/Polymer)

a. Added new model from K-Line Insulators

i. KL 28SKG109 (24.9/14.4kV)

2. sb-2 – Switch, disconnect (single-pole, hook operated distribution class)

a. Added new model from Royal Switchgear

i. BISL – 15kV thru 25kV

May 14, 2019

1. z(5) – Power Installed Screw Anchors

a. Added Oklahoma Design Technologies, LLC

i. STAD Series and CSTAD Series

May 8, 2019

1. z(5) – Power Installed Screw Anchors

a. Added Cantsink

i. 1.5RCS Series

2. Uan(1) – Transformers, Distribution, Pad-Mounted, Dead-Front

a. Added Power Partners

i. Single-phase 5-167 kVA

3. Uhy-1.1 – Splice, Underground, Permanent

a. Added new units from TE Connectivity-Energy

i. Catalog numbers CSJU-1511, CSJU-S-1511, CSJU-2511, CSJU-S-2511

April 24, 2019

1. Uhv(1) – Cable Underground

a. Added LS Cable

i. VII insulation without flat strap neutral

April 19, 2019

1. be(2.2) Recloser, vacuum interrupter

a. Added Eaton

i. Model NOVA-NXT.

2. Revised all “Cooper Power Systems” to “Eaton”.

April 10, 2019

3. Uhb-1.1 – Cable Accessories

a. Added TE Connectivity-Energy

i. Models ELB-15-200 and ELB-15-200-ES.

November 28, 2018

1. y(3) - Conzinal 95% Zinc - 5% Aluminum+ Mischmetal Alloy (AL-ZN-MM) Coated Steel Wire Strands

a. Added Conex Cable LLC

November 2, 2018

1. y(2) - Zinc - 5% Aluminum - Mischmetal alloy (Zn-5Al-MM) – Coated, Steel Wire Strands

a. Revised existing listing for Bekaert.

i. Added additional wire sizes.

1. (S-M):	1/4", 3/8", & 7/16".

2. (HS):	9/32”.

3. (EHS):	9/32”.

ii. Revised Note to “Class A” coating.

October 23, 2018

1. sj(1) – Switches, oil circuit recloser by-pass

a. Added Hubbell (Chance)

i. Type: BPF – 15kV, 27kV

2. sb-2 – Switch, disconnect (single-pole, hook operated distribution class)

a. Added Hubbell (Chance)

i. Type:  M3C – 15kV, 27kV

August 31, 2018

1. cj-1 Pole Ground Wire

a. Added sizes for Copperweld Bimetallics, LLC

i. No 4 AWG Stranded (7x0680”), No. 4 AWG, No. 2 AWG Stranded (7x0860”), No. 2 AWG, 7 No. 10 AWG, 2/0 (19x0860” & 7x1379”)

b. Revised notes referring to Copperweld Bimetallics, LLC

2. sr-1 Steel Conductor for Substation Grounding, Copper-Clad or Galvanized

a. Moved from Conditonal [sr(1)] to Full listing [sr-1] Copperweld Bimetallics, LLC

i. 7 no 8 AWG, 2/0 (19x0860” & 7x1379”), 7 no 7 AWG, 7 no 6 AWG, 7 no 5 AWG, 7 no 4 AWG, 4/0 (19x1055”), 19 no 9 AWG, 19 no 8 AWG, 19 no 7 AWG, 19 no 6 AWG, 19 no 5 AWG

b. Updated notes referring to Copperweld Bimetallics, LLC.

July 31, 2018

1. af(1) - Cutouts, Distribution, Open with Linkbreak Attachment

a. Added Hubbell C-Polymer 27kv and 35kV.

July 20, 2018

1. Uhv-1

a. Removed all listings for Crosslinked Polyethylene (XLP).

i. Plain XLP is no longer an acceptable insulation per RUS standards, 7 CFR 1728F.204 (formerly the U-1 spec).

July 18, 2018

1. Uhv(1) Cable, underground

a. Added General Cable new tree retardant insulation compound LG XL8080TR (VII).

b. Added LS Cable & Systems (VIII).

June 12, 2018

1. c-1 Machine Bolts; o-1 Oval Eye Bolts

a. Added Action Manufacturing

May 21, 2018

1. a-2 Insualtors, Pin type, polymber

a. Added Aluma-Form

i. Catalog numbers INS‐15‐PC‐1,  55-3; INS‐15‐PF‐1 55‐4; INS‐25‐PJ‐2

May 8, 2018

1. Page rp(1.2) Wildlife Guards

a. Added Reliaguard

March 20, 2018

1. Page g(1.3) Crossarms, fiberglass

a. Added new Shakespeare models

i. Without centermount: MTN, HTN, TTN

ii. With centermount: STB, MTB, HTB, TTB

March 19, 2018

1. Page sd-1 Current Transformers, Outdoor Type

a. Added new models for Arteche

i. Catalog numbers for 0.6kV: IRH-1

ii. Catalog numbers for 15kV: ME-015, MK-15, MI-015, KM-15, KCB-17

iii. Catalog numbers for 25kV: ME-025, MK-25, MI-025, KM-25, KCB-24

iv. Catalog numbers for 34.5kV: CRK-36, CE-034, ME-036, MK-36, KM-36

v. Catalog numbers for 69kV: CRH-72, CRK-72, CE-069

2. Page se-1 Voltage Transformers, Outdoor Type

a. Added new models for Arteche

i. Catalog numbers for 15kV: URJ-17, ME-015, MK-15, MI-015, KM-15, KCB-17

ii. Catalog numbers for 25kV: URJ-24, VRJ-24, URN-24, VRN-24, ME-025, MK-25, MI-025, KM-25, KCB-24

iii. Catalog numbers for 34.5kV: ME-036, MK-36, KM-36

iv. Catalog numbers for 69kV: URU-72, VRU-72

March 9, 2018

1. Page al(1) Ground Wire Staples

a. Added Fasco

i. Catalog numbers: EF40-315, EF40-315CU

March 8, 2018

1. Page U gu-1.1 Pedestal, Power (Above-Grade)

a. Added Nordic Fiberglass additional sizes.

i. Catalog numbers: PSPX-101830-MG, PHH-152315-MG

February 2, 2018

1. Page n-1 – Bolt, double arming

a. Added Action Manufacturing

December 4, 2017

1. Page z-6 Anchors, Power-Installed Screw, Distribution

a. Added new units to Hubbell (Chance)

i. Catalog numbers: C1025006, C1025007, C1025010.

November 17, 2017

2. Page ap-1.1 Clamp, hot line, ACSR with armor rods

a. Added Aluma-Form

i. Catalog numbers: AF-BC20, AF-1540, AF-1530

November 2, 2017

1. Page U hv(1) U hv - Cable, Underground, 15 kV and 25 kV Cable

a. Revised company name “Superior Essex” to “LS Cable & System U.S.A., Inc.”

September 12, 2017

1. Added Page sj(1) Switches, oil circuit recloser by-pass

a. Added Hubbell (Chance)

i. Catalog number: BP3 – 600A, 900A

September 8, 2017

1. Page cj-1 Pole Ground Wire

a. Revised “CommScope BiMetals” to “AFL Copperclad”

i. Added sizes No. 4 and No. 2

2. Page sr-1 Steel Conductor for Substation Grounding, Copper-Clad or Galvanized

a. Revised “CommScope BiMetals” to “AFL Copperclad”

i. Added sizes 19 No. 9 AWG and 19 No. 8 AWG

July 21, 2017

3. Page U he-3.1 Padmounted Switchgear (200 and 600 amp)

a. Added Elastimold

i. Type MVS, single-phase and three phase, 200 and 600 amp, 15-38 kV

ii. Type MVI, single-phase and three phase, 200 and 600 amp, 15-38 kV

July 19, 2017

4. Page ah-1 Tie, insulator, formed type

a. Added “Alloy Side, Spool and Top Ties” to Preformed Line Products

5. Added Page ea-3 Insulators, post type

a. Added Eprecsa USA, LLC

i. catalog numbers: 13PD, 22PD, 33PD

July 7, 2017

6. Page ah-1 Tie, insulator, formed type

a. Added 3 new products to Preformed Line Products

i. EZST-series, TT-series and UT-series

June 20, 2017

1. Page sd-1 Current Transformers, outdoor type

a. Revised company name to “Arteche” from “Arteche USA”.

b. Added CRF-17 and CRH-36, which were omitted from the original listing.

2. Page se-1 Voltage Transformers, outdoor type

a. Revised company name to “Arteche” from “Arteche USA”.

May 1, 2017

1. Page bx-1.1 Splice, automatic, Distribution

a. Added 2 new splices to Aluma-Form, Inc. listing.

i. Cat. #: ASC1020	

1. AAC (1/0 & 2/0), AAAC (1/0 & 2/0), and ACSR (1/0 & 2/0)

ii. Cat. # ASC3040

1. AAC (3/0 & 4/0), AAAC (3/0 & 4/0), and ACSR (3/0 & 4/0)

April 26, 2017

1. Pages ah-1 and ah(1) Tie, insulator, formed type

a. Moved Preformed Line Products “EZ-WRAP” ties from Conditional listing on page ah(1) to Full listing on page ah-1.

April 25, 2017

1. Page Uan-1 Transformers, Distribution, Pad-Mounted, Dead-Front 

a. Added Magnetron S.A.S.

i. Pad mounted 5-167 kVA transformer series.

**LIST OF MATERIALS**

**Acceptable for Use on Systems**

**of USDA Rural Development**

**Electrification Borrowers**

**United States Department of Agriculture**

**Rural Development Utilities Programs**

**Electric Programs**

**Informational Publication 202-1**

**Current as of April 2, 2024**

DISCLAIMER

*Every effort has been made to ensure the accuracy of this document.  However, in case of discrepancies, records of Technical Standards Committee “A" are the authoritative source.*

PREFACE

This list supersedes all preceding issues including revisions.  Revised sheets reflecting changes in the list will be issued quarterly and should be inserted in order to keep your copy up to date.

The items shown in this publication include material and equipment for transmission and distribution facilities.  Items not listed include office equipment, tools and work equipment, items of electric general plant and consumer owned wiring facilities.  The listings apply only to new items of material and equipment and not to used items.

In addition to items accepted on a general basis, this list also includes items accepted on a conditional basis.  As one of the conditions in the acceptance of an item on a conditional basis, contractors are required to obtain the borrower’s concurrence prior to its use.

The inclusion of an item in this list does not indicate that item’s manufacturer or its principals have not been debarred, suspended, proposed for debarment, declared ineligible or voluntarily excluded pursuant to Executive Order 12549, Debarment or Suspension, or any rules or regulations issued thereunder, including 7 CFR Part 3017 (“Debarment Regulations”).  Therefore, borrowers must comply with the requirements imposed by the Debarment Regulations before entering into any “covered transaction”, as defined by 7 CFR Part 3017, involving any item on this list.

The acceptance of an additional item or the deletion of an existing item is a function of the Technical Standards Committees.  Any manufacturer desiring to have a new item placed on the list, or any user believing an existing item should be removed from the list, is invited to submit the matter to the Committees.  Any communication calling attention to an error or omission in the list, such as a wrong catalog number, an obsolete item, etc., will be appreciated.  All communications should be addressed to Technical Standards Committee “A” (Electric), USDA Rural Development Utilities Programs, Stop 1569, Washington, D. C. 20250-1569.

INDEX – PART I

-A-

Air break switches	cg

Anchor rod	x

Anchor rod bonding clamps	ck

Anchor shackle	bo

Anchors	z

Angle suspension bracket	cr

Angle thimble eye bolt	ba

Anodes	U si

Arm assemblies, narrow profile	eq

Armor grip suspension assembly	m

Armor grip suspension assembly with socket eye	ei

Armor rods	bv

Arms, laminated upswept	fq

Arresters, surge	ae

Automatic and formed type deadends	by

Automatic splices	bx

-B-

Ball hook	eh

Ball, oval eye	fp

Ball, Y-clevis	ft

Bolt, angle eye (thimble type)	ba

      carriage	i

      clevis	ef

      double arming	n

      double upset	q

      oval eye	o

      eye double arming	dy

      machine	c

      shoulder eye	o

      single upset	bs

      thimble eye, angle	ba

      straight eye (thimble eye)	ao

Brace, crossarm, steel	h

       crossarm, fiber reinforced plastic	cu

       crossarm, wood	cu

       sidearm diagonal	ac

       sidearm vertical	bb

       special crossarm	em

Bracket, angle suspension	cr

         cutout and arrester extension	fm

         cutout extension	fn

         extension	fj

         insulated	da

         narrow profile	eq

         offset neutral	ec

         oil circuit recloser	fk

         pole top pin	cs

         post insulator	eb

         swinging angle	fu

         transformer	dm

         transformer secondary insulated	fo

i

-C-

Capacitor hangers	fd

Capacitor oil switch	bz

Capacitor, shunt	fc

Carriage bolt	i

Chain link (end link)	br

Clamp, anchor rod bonding	ck

       deadend	l

       deadend with socket eye	ej

       ground rod	aj

       ground wire	dp

       guy	u

       hot line	ap

       loop deadend	bn

       suspension	m

       suspension with socket eye	ei

Clevis bolt	ef

Clevis type wireholder	bt

Clevis, conduit, insulated	dr

        secondary swinging	s

        service deadend	bh

        service swinging	as

        thimble	ci

Clip, ground wire	al

      guy	dz

Combination cutout and arrester	ax

Combination power fuse and disconnect switch	sl

Compression deadends	cp

Compression splices	cy

Conductor	av

Conduit clevis, insulated	dr

Conduit wireholder	ds

Connector, grounding, transformer	bu

           hot line	fi

Connectors	p

Cross brace assembly	vx

Crossarm assemblies and arm spacers	gj

Crossarm assembly, “Z” type (wishbone)	gz

Crossarm assembly, H frame (small angle – 161 & 230 kV)	gw

Crossarm assembly, H frame (tangent – 161 & 230 kV)	gy

Crossarm brace, sidearm diagonal	ac

Crossarm brace, sidearm vertical	bb

Crossarm brace, special	em

Crossarm brace, steel	h

Crossarm brace, wood	cu

Crossarm pin, steel	f

Crossarm reinforcing plate	eg

Crossarm saddle	fg

Crossarms	g

Current limiting backup fuses	ag

Current transformers	sd

Cutout and arrester extension bracket	fm

Cutout and arrester, combination	ax

Cutout extension bracket	fn

Cutouts and fuses	af

ii

-D-

Deadend clamp	l

Deadend clamp with socket eye	ej

Deadend for guy strand	u

Deadend for steel strand	l

Deadend, automatic & formed type	by

         compression	cp

         secondary	cq

         service	dt

Disconnect switch, hook operated	sb

Double arming bolt	n

Double arming eye bolt	dy

Double arming plate	ct

Double upset bolt	q

-E-

Elliptical eye screw	dq

End link (chain link)	br

Extension link	du

Extension link (fiberglass)	eu

Eye bolt, double arming	dy

          oval	o

Eye nut	aa

Eye screw, elliptical	dq

-F-

Fault Indicators..................	............................go

Fiber reinforced plastic crossarm braces	cu

Fuses and cutouts	af

Fuses, current limiting, backup	ag

       power, substation	af

-G-

Gain, pole	bi

Grid gain	bi

Ground rod clamp	aj

Ground rods	ai

Ground wire clamp	dp

Ground wire clip	al

Ground wire staple	al

Ground wire support, overhead	ed

Ground wire, pole	cj

Ground, pole	dh

Grounding conductor, substation, coated steel	sr

Grounding connector, transformer	bu

Guy attachment (Distribution)	v

Guy attachment (Transmission)	fv

Guy clamp	u

Guy clip	dz

Guy deadend	u

Guy hook	bj

Guy marker	at

Guy plate	bk

iii

Guy strain insulator	w

Guy wire	y

Guy wire clip	dz

Guying plate	fv

-H-

H frame crossarm assembly (small angle – 161 & 230 kV)	gw

H frame crossarm assembly (tangent – 161 & 230 kV)	gy

Hangers, capacitor	fd

Hook, ball	eh

      guy	bj

Hook operated disconnect switch	sb

Hot line clamp	ap

Hot line connector	fi

-I-

Insulated bracket	da

Insulator and stud, post type	ea

Insulator, guy strain	w

           pin type	a

           polymer distribution deadend	k

           spool	cm

           suspension	k

-K-

Keys, pole	z

-L-

Laminated upswept arms	fq

Lag screw	j

Link, chain (end link)	br

      extension	du

      extension (fiberglass)	eu

Locknuts	ek

Loop deadend clamp	bn

-M-

Machine bolt	c

Marker, guy	at

Meter sockets	gb

Meters, watthour	ga

-N-

Narrow profile brackets and arm assemblies	eq

Neutral bracket, offset	ec

Numbers, pole and letters	az

Nut, eye	aa

     thimble eye	ab

iv

-O-

Offset neutral bracket	ec

Oil circuit recloser bracket	fk

Oil circuit reclosers	be

Oval eye ball	fp

Oval eye bolt	o

Oval tube splice	cx

Overhead ground wire support	ed

-P-

Pin type insulator	a

Pin, crossarm	f

     pole top, steel	b

Pipe spacer	dl

Plastic wire guard	er

Plate, crossarm reinforcing	eg

       double arming	ct

       guy	bk

       pole bearing	fs

       pole eye	v

Pole bearing plate	fs

Pole eye plate	v

Pole gain	bi

Pole ground	dh

Pole ground wire	cj

Pole keys	z

Pole numbers and letters	az

Pole top pin bracket	cs

Pole top pin, steel	b

Post insulator bracket	eb

Post type insulator and stud	ea

Power fuses, substation	af

Primary metering rack	fl

-R-

Rack, primary metering	fl

Reclosers, automatic circuit	be

Regulator by-pass switch	sk

Regulators, voltage	sc

Rod, anchor	x

Rods, armor	bv

      ground	ai

-S-

Saddle crossarm	fg

Screw, elliptical eye	dq

       lag	j

Secondary swinging clevis	s

Sectional ground rods	ai

Sectionalizer	el

Service deadend	dt

Service deadend clevis	bh

Service swinging clevis	as

v

Shackle, anchor	bo

Shoulder eye bolt	o

Shunt capacitors	fc

Sidearm diagonal crossarm brace	ac

Sidearm vertical crossarm brace	bb

Single upset bolt	bs

Sockets, meter	gb

Spacer, pipe	dl

Special crossarm braces	em

Splice cover, plastic	es

Splice for steel strand	cz

Splice, automatic	bx

        compression	cy

        formed type	ex

        oval tube	cx

Spool Insulator	cm

Spring washer	aw

Staple, ground wire	al

Steel strand	y

Structure assembly (small angle – 161 & 230 kV)	gw

Structure assembly (tangent – 161 & 230 kV)	gy

Substation grounding conductor, coated steel	sr

Support, overhead ground wire	ed

Surge arresters	ae

Suspension clamp	m

Suspension clamp with socket eye	ei

Suspension insulator	k

Swinging angle bracket	fu

Switch, capacitor oil	bz

        combination power fuse and disconnect	sl

        hook operated disconnect	sb

        pole top air break	cg

        recloser, by-pass	sj

        regulator by-pass	sk

-T-

Thimble clevises	ci

Thimble eye bolt, angle	ba

Thimble eye bolt, straight	ao

Thimble eye nut	ab

Tie, insulator, formed type	ah

Transformer bracket	dm

Transformer grounding connector	bu

Transformer secondary bracket, insulated	fo

Transformers, current	sd

              pole and power	an

              voltage	se

-V-

Vacuum circuit reclosers	be

Voltage regulators	sc

Voltage transformers	se

vi

-W-

Washer, spring	aw

Washers	d

Watthour meters	ga

Wildlife guards	rp

Wire guard, plastic	er

Wire, guy	y

Wireholder	ar

Wireholder, clevis type	bt

            conduit	ds

Wood crossarm brace	cu

-Y-

Y-clevis ball	ft

-Z-

“Z” type (wishbone) crossarm assembly	gz

vii

INDEX – PART II

Underground Distribution Equipment

Anodes	U si

Arrester, surge	U ae

Boot, insulated	U gq

Bracket, combination	U hj

         pothead mounting	U hd

Cable	U hv

Cable accessories	U hb

Cable route marker	U hx

Cable support	U hc

Combination cutout and arrester	U ax

Connector block, secondary	U gp

         transformer	U fz

Connector, secondary tap	U fw

Cutout and arrester, combination	U ax

Enclosure, equipment	U gn

Fault indicator	U go

Heat shrink tubing	U hr

Jacketed cable restoration kits	U hf

Pad, equipment	U ja

Pedestal, power	U gu

Recloser, pad-mounted	U be

Regulator, voltage, pad-mounted	U sc

Safety signs	U hw

Secondary tap connector	U fw

Secondary tap or splice cover	U hr

Shield, cable riser	U gc

         splice	U jb

Splice shield	U jb

Splice, secondary	U gp

         underground	U hy

Stake, power pedestal	U gv

Switch, air, group-operated	U cg

Switchgear, padmounted	U he

Terminations, elbow	U hp

         multipoint	U hq

         outdoor and indoor	U gk

Terminator sealing kit	U hf

Transformer connector block	U fz

Transformer pad	U ja

Transformer, current	U sd

Transformers	U an

Tubing, heat shrink	U hr

viii

a-1

April 2015

a – Insulator, pin type, porcelain

1Does not have a metal thimble.

2ANSI class 55-2, 55-3, and 55-4 pin insulators manufactured at both the Knoxville and Macomb plants are acceptable.

a-2

May 2018

a – Insulators, pin type, polymer

a(3)

September 30, 2020

a – Insulators, pin type, composite, vise top

b-1

July 2009

b – Pin, pole top, steel

DISTRIBUTION

Pins listed below have 4-1/2” offset which eliminates the use of Item cs

TRANSMISSION

	NOTE 

1. Flared type pins may be mounted with either side against the pole.

Conditional List

b(1)

January 2015

b – Pin, pole-top

(Non-lead threads)

b – Pin, Fiber-reinforced plastic pole top

c-1

March 22, 2024

c – Bolt, machine

Applicable Specification:  ANSI C135.1, “Standards for Galvanized Steel Bolts and Nuts” except that the lengths are in the ranges given below.

Applicable Sizes:	1⁄2 inch diameter, 6 through 10 inch length

	5/8 inch diameter, 6 through 24 inch length

	3⁄4 inch diameter, 6 through 26 inch length

	7/8 inch diameter, 6 through 28 inch length

The following manufacturers have shown compliance with the applicable specifications for machine bolts:

*”Static proof” design available.

d-1

November 2010

d – Washers, Flat

Flat Rolled Steel

Flat Cast

Spurred – 3” Round, 3/16” Thick, 13/16” Hole

(A) Aluminum Alloy

(M) Malleable Iron

(N) Nodular Iron

d-2

September 2010

d – Washers, Curved

Curved Cast

(A) Aluminum Alloy

(M) Malleable Iron

(N) Nodular Iron

Curved Rolled Steel

2. To be used only on transmission systems.

f-1

July 2009

f – Pin, crossarm

(With square washer, nut and MF locknut)

DISTRIBUTION

Clamp Type Pin

Washer Plate for Clamp Type Pin

These plates are equipped with lugs to prevent slippage of pin along crossarm.  They may be used to replace the bottom plate on pins already installed.

f-2

July 2009

f – Pin, crossarm

(With square washer, nut and locknut)

TRANSMISSION

Conditional List

f(1)

July 2009

f – Pin, crossarm

(Non-lead threads)

(With square washer, nut and MF locknut)

Conditional List

g(1)

April 2016

g – Crossarms, fiberglass

Conditional List

g(1.1)

April 2016

g – Crossarms, fiberglass

*May be used in Braceless or Braced Application.

Conditional List

g(1.2)

April 2016

g – Crossarms, fiberglass

*May be used in Braceless or Braced Application.

Conditional List

g(1.3)

March 5, 2023

g – Crossarms, fiberglass

Note: Gripping studs or teeth on clamp type crossarm pins (item f) should not be installed against the surface of the fiberglass crossarms.

Conditional List

g(2)

July 2009

g – Crossarms, composite

h-1

September 2015

h – Brace, crossarm, steel

Wherever item “h” is shown on a construction drawing, use a brace from page cu.

i-1

i – Bolt, carriage

Applicable Specification:  ANSI C135.1, “Standard for Galvanized Steel Bolts and Nuts.”

Applicable Sizes:	3/8 inch diameter, 3 through 6 inch length

1⁄22 inch diameter, 3 through 6 inch length

The following manufacturers have shown compliance with the applicable specifications for carriage bolts.

j-1

November 2010

j – Screw, lag

Applicable Specifications:  ANSI C135.3 “Standard for Zinc Coated Ferrous Lag Screws”

Applicable Sizes: 	1/2 inch diameter, 4 inch length

	1/2 inch diameter, 5 inch length

	5/8 inch diameter, 4 inch length

	5/8 inch diameter, 5 inch length

The following manufacturers have shown compliance with the applicable specifications for lag screws:

k-1

June 2012

k – Insulators, suspension

Notes:

(1) Use two for 24.9/14.4 kV deadends.

(2) To be used only on transmission lines.

(3) To be used only on distribution lines. 

(4) Use two insulators for 12.5/7.2 kV deadends and three for 24.9/14.4 kV deadends. 

(5) Use two insulators for 24.9/14.4 kV deadends. 

Conditional List

k(1)

July 2009

k – Insulator, suspension

Conditional List

k(2)

February 2015

Conditional List

k(2.1)

November 2015

l-1

November 2014

l – Clamp, deadend

DISTRIBUTION

l-2

November 2014

l – Deadend for steel strand (overhead ground wire)

TRANSMISSION

For high strength, extra high strength steel strand and aluminum clad steel strand

Compression Type

Formed Type*

* Class B galvanizing.  When overhead ground wire has Class C galvanizing, formed deadend should also have Class C galvanizing.

Automatic Type

Clamp Type

Conditional List

l(1)

December 2015

l – Clamp, deadend

DISTRIBUTION

2-Bolt Straight Line, Aluminum Alloy*

*Straight line deadend clamps are applicable for urban construction where tensions are moderate and on lines often worked hot.

Conditional List

l(2)

July 2009

l – Clamp, deadend

DISTRIBUTION

(wedge type)

m-1

November 2014

m – Clamp, suspension

2 BOLT – DISTRIBUTION

*Accepted for larger sizes.

m-2

July 2009

m – Clamp, Suspension

Conditional List

m(1)

July 2009

m – Clamp, suspension – cushioned

Condition: To obtain experience

ACSR

Conditional List

m(2)

April 2015

m – Clamp, suspension, high temperature

For use with High Temperature Conductors

Note:    These clamps are acceptable when installed using tools and dies in accordance with the conductor manufacturer’s recommendations.

n-1

March 22, 2024

n – Bolt, double arming

Applicable Specification:  ANSI C135.1, “Standard for Galvanized Steel Bolts and Nuts.”

Applicable Sizes:	5/8 inch diameter, 12 inch through 24 inch length

	3⁄4 inch diameter, 20 inch through 24 inch length

The following manufacturers have shown compliance with the applicable specifications for double arming bolts:

*”Static proof” designs available.

o-1

June 2018

o – Bolt, eye, oval

Applicable Specification:	ANSI C135.4, “Standards for Galvanized Ferrous Eye Bolts and Nuts for Overhead Line Construction.”

Applicable Sizes:	5/8 inch diameter, 6 through 20 inch length

3/4 inch diameter, 8 through 20 inch length

The following manufacturers have shown compliance with the applicable specifications for oval eye bolts:

*”Static proof” designs available.

Shoulder Eye Bolt

for Transmission Structures

3⁄44 inch diameter, 8 inch through 20 inch length

p-1

November 2014

p – Connectors, distribution (Parallel Groove)

Applicable Specification:  ANSI C119.4

ACSR to ACSR

To same size or smaller

Bare Conductor

Over Armor Rods

p-2

November 2014

p – Connectors, Distribution (Parallel Groove)

Applicable Specification:  ANSI C119.4

ACSR to Copper or Copperweld-Copper

ACSR Size (Bare Conductor)

ACSR Size (Over Armor Rods)

p-3

June 2010

p – Connector, Distribution

Applicable Specification:  ANSI C119.4

Copper Type Conductors

Connections to same size or smaller

Bare Conductor

Over Armor Rods

	(s) Designates split bolt connectors

Long Connectors (Split Bolt)

Copper to Copper

p-4

November 2014

p – Connectors, Service (Parallel Groove)

Applicable Specification:  ANSI C119.4

Aluminum-to-Aluminum

Solid or Stranded

p-5

July 2009

p – Connectors, Service (Parallel Groove)

Applicable Specification:  ANSI C119.4

Aluminum-to-Copper

Solid or Stranded

p-6

June 2010

p – Connectors, Service

Applicable Specification:  ANSI C119.4

Copper-to-Copper

Solid or Stranded

p-7

November 2014

p – Connectors, Guy Bond (Parallel Groove)

 Applicable Specification:  ANSI C119.4

ACSR to Guy Strand

Copper to Guy Strand

p-8

July 2009

p – Connectors, Compression

Applicable Specification:  ANSI C119.4

DISTRIBUTION

NOTE: These connectors are acceptable when installed using tools and dies in accordance with the connector manufacturer’s recommendations.

p-9

July 2009

p – Connectors, Compression

Applicable Specification:  ANSI C119.4

SERVICE

These connectors are furnished in a variety of sizes to fit all combinations of aluminum and copper service wire.

NOTE:  These connectors are acceptable when installed using tools and dies in accordance with the connector manufacturer’s recommendations.

p-10

November 2014

p – Connectors, Transmission

Applicable Specification:  ANSI C119.4

BOLTED TYPE

ACSR to ACSR

ACSR to Copper

When ordering these clamps specify size, stranding and material of both conductors.

COMPRESSION TYPE

ACSR to ACSR

Same Size

ACSR to Copper

(Order by conductor sizes)

NOTE:  These connectors are acceptable when installed using tools and dies in accordance with the connector manufacturer’s recommendations.

p-11

February 15, 2022

p – Connectors

(wedge type)

Conditional List

p(1)

October 23, 2020

p – Connectors

*NOTE:  These connectors are acceptable when installed with tools and dies in accordance with the connector manufacturer’s recommendations.

q-1

November 2011

q – Bolt, double upset

Applicable Specification:  “RUS Specifications for Single and Double Upset Spool Bolts,” D-5

s-1

July 2009

s – Clevis, secondary swinging

Applicable Specifications:  “RUS Specifications for Secondary Swinging Clevises,” D-6

*Catalog Number does not include spool.  See page cm for spool type insulators.

u-1

December 13, 2023

u – Deadend for galvanized steel or

aluminum-clad steel guy strand

3-Bolt Guy Clamp

U-Bolt Guy Clamp

Offset Guy Clamp

*For use on transmission.

u-2

August 2014

u – Deadend for galvanized steel guy strand

*Class B galvanizing.  When guy wire has Class C galvanizing, formed deadend should also have Class C galvanizing.

u-3

August 2014

u – Deadend for aluminum clad steel guy strand

Formed Type

Aluminum-Clad Steel Guy Strand

Automatic

Aluminum-Clad Steel Guy Strand

v-1

September 2010

v – Guy Attachment

for 5/8” bolt

*This hook may be used in place of the wrapped guy arrangement in assemblies E3-2 and E3-3.

v-2

April 2013

Pole Eye Plates

(5/8” Bolt)

Conditional List

v(1)

July 2009

v – Guy attachment

w-1

September 2019

w – Insulators, guy strain

(Fiber Reinforced Plastic)

x-1

August 2011

x – Rod, anchor

Applicable Specification: ANSI C135.2, “Standards for Galvanized Ferrous Strand Eye Anchor Rods”

Applicable Sizes:	Single guy: 5/8 inch diam. 6, 7 and 8 3⁄4t long3/4 inch diam. 8, 9 and 10 feet long1 inch diam. 9 and 10 feet long

	Double guy: 5/8 inch diam. 7 and 8 f3⁄4 long 3/4 inch diam. 8, 9 and 10 feet long 1 inch diam. 9 and 10 feet long

	Single Guy: Drive: 5/8 inch diam. 7 and 8 3⁄4t long3/4 inch diam. 8, 9 and 10 feet long1 inch diam. 9 and 10 feet long

	Double Guy: Drive: 5/8 inch diam. 7 and 8 3⁄4t long3/4 inch diam. 8, 9 and 10 feet long1 inch diam. 9 and 10 feet long

The following manufacturers have shown compliance with the applicable specifications.  Some manufacturers cannot supply all sizes listed above.  Check with manufacturer or distributor for availability.

Conditional List

x(1)

July 2009

x – Rod, anchor

Applicable Specification: ANSI C135.2 “Standards for Galvanized Ferrous Strand Eye Anchor Rods” except rods are copper covered.  Copper coating thickness is **13 mils minimum** at any point and a 15 mil average.  All purchases should specify that a factory certification to the thickness of the copper must accompany the shipment of the rods.

Applicable Sizes: Dou3⁄4 Guy – 3/4 inch diameter, 8 and 9 feet long.

Conditional List

x(2)

July 2012

x – Rod, anchor

Applicable Specification: ANSI C135.2 “Standards for Galvanized Ferrous Strand Eye Anchor Rods” except rods are copper covered.  Rods meet UL-465 specification for copper coating thickness of **10 mils minimum**at any point. All purchases should specify that a factory certification to the thickness of the copper must accompany the shipment of the rods.

Applicable Sizes: Double Guy – 3/4 inch diameter, 8 and 9 feet long.

y-1

December 2015

y – Galvanized Steel Strand

Usage:  Guy, Distribution or Transmission Line

Overhead Static Wire

ASTM Specification: A 475 – For Guy Strand

    A 363 – For Overhead Static Wire

Following grades/diameters of steel wire strands are preferred sizes:

For Guying

For Overhead Static Wire (Groundwire)

Note:  The buyer should specify Class A, B, or C coating per ASTM A363 or A475.

y-2

November 2014

y – Steel Strand

Aluminum-Clad

Specifications:  ASTM B415 and B416

For overhead groundwire

(Joint and splice requirements for wire and strand to meet ASTM A363)

AWG Sizes: (a) 7 No. 10,  (c) 7 No. 9, (d) 7 No. 8,   (e) 7 No. 7 

For guy strand

(M is rated breaking load in thousand lbs)

M Sizes:	  6M (7 No. 12), 8M (7 No. 11), 10M (7 No. 10), 11.5M (7 x .110"), 12.5M (7 No. 9), 14M (7 x .121"), 16M (7 No. 8), 18M (7 x .139"), 20M (7 x .148")

Conditional List

y(1)

July 2009

y – Aluminum Coated Steel Wire

Applicable Specification ASTM A474

Conditional List

y(2)

November 2018

y - Zinc - 5% Aluminum - Mischmetal alloy (Zn-5Al-MM) - Coated

Steel Wire Strands

Applicable Specification ASTM A855

**Bekaert Corporation**

Type/Grade:	Nominal diameter (7-wire strand) in.

NOTE:  Only available with Class A coating.

Type/Grade:	Nominal diameter (7-wire strand), in.

**Indiana Steel & Wire Co.**

**Guardian Cable Systems, LLC**

NOTE:  The buyer should specify Class A, B, or C coating.

Conditional List

y(3)

November 2018

y - Conzinal 95% Zinc - 5% Aluminum+ Mischmetal Alloy (AL-ZN-MM) 

Coated Steel Wire Strands

**Conex Cable LLC**

Type/Grade:	Nominal diameter (7-wire strand) in.

z-1

March 2013

z - Anchors, Expanding and Plate

DISTRIBUTION

NOTE: Where galvanized anchors are listed, the same anchors ungalvanized (black asphalt coated) are also acceptable.

z-2

March 2013

z - Anchors, plate

Applicable Speification "RUS Specification for Steel Plate Anchors," T-3

TRANSMISSION

Minimum Area 400 sq. in.

NOTE:  Where galvanized anchors are listed, the same anchors ungalvanized (black asphalt coated) are also acceptable.

z-3

December 2015

z - Anchors, Service

Designated Maximum Holding Power in Sand - 2500 lbs. 

z - Anchors, Swamp

DISTRIBUTION

*Drive type anchor.  Surface area meets or exceeds that of 12" diameter anchors.

NOTE:  Where galvanized anchors are listed, the same anchors ungalvanized (black asphalt coated) are also acceptable.

z-4

March 2013

z - Anchors, Rock

z - Pole keys

z-5

March 2013

z - Anchors, Power-installed screw

Manufacturer:	Earth Contact Products

	Multi-Helix Screw Anchors

Manufacturer:	MacLean Power Systems

	Multi-Helix Screw Anchors

NOTES: 	

1. See RUS Specification T-10 for definitions and explanations.

2. Anchors in the 53,400 N (12,000 lb.) category or above for use on wood poles must be used with hardware commensurate with the working load.  Hardware may provide for either single or multiple guy attachments to anchor.

3. Anchors listed in a specific working load category and/or soil class may generally be used at lower working load categories and/or lower numerical soil classes.

 z-5.1

March 27, 2023

z - Anchors, Power-installed screw

Manufacturer:	Hubbell (A. B. Chance Company)

“SS” Multi Helix Anchors

NOTES: 	

1. See RUS Specification T-10 for definitions and explanations.

2. Anchors in the 53,400 N (12,000 lb.) category or above for use on wood poles must be used with hardware commensurate with the working load.  Hardware may provide for either single or multiple guy attachments to anchor.

3. Anchors listed in a specific working load category and/or soil class may generally be used at lower working load categories and/or lower numerical soil classes.

z-6

December 2017

z - Anchors, Power-Installed Screw, Distribution

Conditional List

z(2)

March 2020

z - Anchors, plate

NOTES:

	*Watson cap nut and anchor rod should be used. Consult manufacturer for proper pairing.

Conditional List

z(5)

May 2019

z – Anchors, screw, power installed

NOTES: 	

1. Where galvanized anchors are listed, the same anchors ungalvanized (coated) are also acceptable.

2. Catalog numbers shown for screw anchors are for anchors with 1-3/8" hubs. Equivalent anchors with 1-1/2" hubs are also acceptable. (A special installing wrench is required.)

aa, ab

December 13, 2023

aa – Nut, eye

b - Nut, thimble eye

ac-1

July 2009

ac - Brace, sidearm diagonal

ae-1

November 6, 2020

ae – Surge (lightning) Arrester, Distribution Class

SiC Type

MOV Type

ae-2

July 2009

ae - Surge (Lightning) Arresters, Substation*

SiC Type

MOV Type

* For instructions concerning application at substations, refer to RUS Bulletin 1724E-300, "Guide for the Design of Substations for Electric Borrowers."  In the purchase of arresters, care should be taken to select the type and voltage ratings in accordance with the line voltage and the type of construction (grounded or ungrounded).

Conditional List

ae(1)

March 2013

ae - Surge (Lightning) Arresters, Distribution Class

CONDITION OF ACCEPTANCE:  To Obtain Experience

MOV Type

MOV Type (Internally Gapped)

Conditional List

ae(2)

March 2016

ae – Surge Arrester, Substation*

CONDITION OF ACCEPTANCE:  To Obtain Experience

MOV Type

*For instructions concerning application at substations refer to RUS Bulletin 1724E-300, "Design Guide for Rural Substations."  In the purchase of arresters, care should be taken to select the type and voltage rating in accordance with the line voltage and the type of construction (grounded or ungrounded).

(1) Energy ratings based on single impulse ratings.

(2) Meets Class H energy levels per IEEE Std C62.11TM-2012 standard.

af-1

September 2019

af – Cutouts, Distribution, Open

NOTE:  The buyer should specify the load rating, voltage rating, interrupting rating and required accessories. Cutouts used on underground riser poles should be load break type or have hooks for portable load interrupters.

af-1.1

December 5, 2023

af – Cutouts, Distribution, Open

NOTE:  The buyer should specify the load rating, voltage rating, interrupting rating and required accessories. Cutouts used on underground riser poles should be load break type or have hooks for portable load interrupters.

af-2

September 2012

af - Cutout, open-link fuse support

NOTE:  The open link fuse supports listed above are fuse supports only and have no inherent interrupting capacity.  They should be used with fuse links capable of interrupting at least 1200 amperes and for transformer protection only.

af-3 

July 2009

af - Power Fuses, Substation

*Available with porcelain insulators. “Available with "Cypoxy" cycloaliphatic epoxy insulators 34.5 kV on request.

NOTE:	All fuses listed on this page should be furnished with NEMA standard insulators.  The buyer should specify the current rating, voltage rating, interrupting rating and required accessories.

Conditional List

af(1)

September 2019

af - Cutouts, Distribution, Open

Conditional List

af(1.1)

July 2018

af - Cutouts, Distribution, Open

with Linkbreak Attachment

Conditional List

ag(1)

July 2009

ag - Fuses, Current Limiting, Backup

ah-1July 2017

ah - Tie, insulator, formed type

*Not for side mounting on pin or post insulators.

Conditional List

ah(1)

April 2017

ah - Tie, insulator, formed type

ai-1

June 2015

ai - Rods, Ground, 13-mil

Applicable Size:	The standard length is 8 feet and catalog numbers listed below are for this length.  Longer rods may be required for special conditions.

Copper-covered ground rods are listed with a **13-mil minimum** at any point and a 15-mil average covering of copper.  All purchases should specify that a factory certification of the thickness of the copper must accompany the shipment of the rods.

Copper-covered

ai-2

June 2015

ai - Rods, Ground

Applicable Size:	The standard length is 8 feet and catalog numbers listed below are for this length.  Longer rods may be required for special conditions.

Hot Dip Galvanized Steel

Electro-Galvanized Steel

Stainless Steel

*Rod furnished with clamp.

**Rod furnished with 4 ft., No. 6 tinned or galvanized copper pigtail.

NOTE:  The diameter of all galvanized ground rods must meet the latest edition of the National Electrical Safety Code (NESC).

ai-3

June 2015

ai - Rods, ground, sectional, 13-mil

Galvanized steel and

Copper-covered steel

Copper-covered ground rods are listed with a **13-mil minimum** at any point and a 15-mil average covering of copper.  All purchases should specify that a factory certification of the thickness of the copper must accompany the shipment of the rods.  Rods are copper-covered unless marked galvanized steel.

Sectional Ground Rods 

* Threadless coupling or drive head

** Threadless coupling for galvanized rod

NOTE:  The diameter of all galvanized ground rods must meet the latest edition of the National Electrical Safety Code (NESC).

ai-4

March 25, 2022

ai - Rods, Ground, 10-mil

These copper-covered ground rods are listed with a **10-mil minimum** at any point.  They must also be Underwriters Laboratory (UL) listed.  All purchases should verify that rods have official UL mark.

Copper-covered steel

ai-5

March 25, 2022

ai - Rods, ground, sectional, 10-mil

Galvanized steel and Copper-covered steel

Copper-covered ground rods are listed with a **10-mil minimum** at any point.  They must also be Underwriters Laboratory (UL) listed.  All purchases should verify that rods have official UL mark.  Rods are copper-covered unless marked galvanized steel.

Sectional Ground Rods

NOTE:  The diameter of all galvanized ground rods must meet the latest edition of the National Electrical Safety Code (NESC).  

aj-1

March 2013

aj - Clamp, Ground Rod

Conditional List

aj(1)

January 2009

aj - Clamp, ground rod

al-1

February 2014

al - Staples, ground wire

Applicable Specification: “ANSI C135.14, "Standards for Staples with Rolled or Slash Points"

Barbed staples, ground wire

Staples, alumoweld

Clip, ground wire

Conditional

al(1)

March 2018

al - Staples, ground wire

Applicable Specification: ANSI C135.14, "Standards for Staples with Rolled or Slash Points"

Note:	These staples utilize power tools for installation. Use of a hammer for hand driving of these staples is not recommended.

an-1

September 2013

an - Transformers, distribution, pole type

Primary Voltages 7.2/12.5, 7.62/13.2 and 14.4/24.9 kV

Applicable Specifications:  "RUS Specifications for Rural Distribution Transformers," D-10

Listing is by type rather than by catalog number because of the many possible combinations of voltage, kVA and taps and protective equipment.

Note:

1. Available with optional covers insulated for 15 kV dielectric strength at additional cost.  (Transformer covers with higher electrical insulation, together with other coordinated electrical insulating protective measures, should help to significantly lessen shock and electrocution hazards to raptors, other birds, and small mammals.)

an-1.1

June 2013

an - Transformers, distribution, pole type

Primary Voltages 7.2/12.5, 7.62/13.2 and 14.4/24.9 kV

Note:

1. Available with optional covers insulated for 15 kV dielectric strength at additional cost.  (Transformer covers with higher electrical insulation, together with other coordinated electrical insulating protective measures, should help to significantly lessen shock and electrocution hazards to raptors, other birds, and small mammals.)

an-1.2

February 2017

an - Transformers, distribution, pole type

Primary Voltages 7.2/12.5, 7.62/13.2 and 14.4/24.9 kV

  Type RU may also be purchased

  with internal fuse and/or

  lightning arrester.

an-2

September 2013

an - Transformers, Power

Single-Phase, Step-Down for Distribution Substation Use

All acceptances are based on RUS Specification S-3: Specifications for Step-Down Distribution Substation Transformers, and, 15 kV or 25 kV class secondary voltages.

115 kV and 138 kV transformers may have one step reduced BIL.

an-3

November 18, 2020

an - Transformers, Power

Three-Phase, Step-Down for Distribution Substation Use

Transformers 5 MVA and larger also accepted as load tap changing transformers using ABB Types UTSA, UTT-B and UVW load tap changers.

 *Optional EnvirotempTM FR3TM fluid-filled designs are available, including optimized Eaton PEAKTM transformer designs which allow reduced transformer size and/or overload capacity while providing for fire safety, environmental safety, and extended insulation life. This natural ester soybean oil based dielectric fluid is an extremely biodegradable, renewable resource that is classified as a less flammable fluid, and is non-toxic. EnvirotempTM and FR3TM are licensed trademarks of Cargill, Incorporated. PEAKTM is a trademark of Eaton.

Transformers 5 MVA and larger also accepted as load tap changing transformers using Eaton Types 550, 550B and 550C load tap changers.

Transformers 5 MVA and larger also accepted as load tap changing transformers using Siemens-Allis Types TLS and TLH load tap changers

Transformers 5 MVA and larger also accepted as load tap changing transformers using ABB type UZE and Reinhausen type RMV-2 tap changers.

an-3.1

November 18, 2020

an - Transformers, Power

Three-Phase, Step-Down for Distribution Substation Use

Transformers 5 MVA and larger also accepted as load tap changing transformers using Eaton Types 550, 550B and 550C load tap changers.

Transformers 5 MVA and larger also accepted as load tap changing transformers using ABB Type UZE; Reinhausen RMT-1;Reinhausen RMV-2; or Waukesha Electric Systems Type UZD load tap changers.

Notes:

All acceptances are based on RUS Specification S-3: Specifications for Step-Down Distribution Substation Transformers, and, 15 kV or 25 kV class secondary voltages.

115 kV and 138 kV transformers may have one step reduced BIL.

an-4

February 2014

an - Transformers, Step Ratio, Single Phase,

Autotransformers or Two-Winding Transformers

for Use in System Voltage Conversion

NOTE: 	Two-winding transformers are self-protected under external short circuit in accordance with ANSI C57.12.90A.  Auto-transformers will withstand 25 times rated current under external short circuit in accordance with ANSI C57.12.90A.

Conditional List

an(1)

September 2013

an - Transformers, Distribution, Pole Type

Note:

1. Available with optional covers insulated for 15 KV dielectric strength at additional cost.  (Transformer covers with higher electrical insulation, together with other coordinated electrical insulating protective measures, should help to significantly lessen shock and electrocution hazards to raptors, other birds, and small mammals.)

Conditional List

an(1.1)

June 25, 2020

an - Transformers, Distribution, Pole Type

Conditional List

an(1.2)

June 25, 2020

an - Transformers, Distribution, Pole Type

with non-porcelain secondary bushings

Note:

1. Available with optional covers insulated for 15 KV dielectric strength at additional cost.  (Transformer covers with higher electrical insulation, together with other coordinated electrical insulating protective measures, should help to significantly lessen shock and electrocution hazards to raptors, other birds, and small mammals.)

Conditional List

an(2)

July 2009

an - Transformers, Power

Single-Phase, Step-Down

for Distribution Substation Use

Conditions for Acceptance:  “E” - To obtain experience

			      “T” - Manufacturer to furnish RUS with satisfactory test results

				  (Only performance specifications have been submitted)

All acceptances are based on RUS Specification S-3: Specifications for Step-Down Distribution Substation Transformers, and 15 kV or 25 kV class secondary voltages.

115 kV and 138 kV transformers may have one step reduced BIL.

Conditional List

an(3)

June 2011

an - Transformers, Power

Three-Phase, Step-Down

for Distribution Substation Use

Conditions for Acceptance:  “E” - To obtain experience

			      “T” - Manufacturer to furnish RUS with satisfactory test results

				  (Only performance specifications have been submitted)

Conditional List

an(3.1)

November 18, 2020

an - Transformers, Power

Three-Phase, Step-Down

for Distribution Substation Use

Conditions for Acceptance:  “E” - To obtain experience

			      “T” - Manufacturer to furnish RUS with satisfactory test results

				  (Only performance specifications have been submitted)

Conditional List

an(4)

February 2014

an - Transformers, Step Ratio, Single Phase,

Autotransformers or Two-Winding Transformers

for Use in System Voltage Conversion

Condition of Acceptance:  To obtain experience

NOTE: 	Two-winding transformers are self-protected under external short circuit in accordance with ANSI C57.12.90A.  Auto-transformers will withstand 25 times rated current under external short circuit in accordance with ANSI C57.12.90A.

ao-1

July 2009

ao - Bolt, strand eye, straight (thimble eye)

Applicable Specification:	ANSI C135.4, "Standards for Galvanized Ferrous Eye Bolts and Nuts for Overhead Line Construction."

Applicable Sizes:	5/8 inch, 6 through3⁄4 inch length 3/4 inch, 8 through 12 inch length

The following manufacturers have shown compliance with the applicable specification:

ap-1

December 2, 2021

ap – Clamp, hot line

Copper and Copperweld-copper Conductor

(Clamps with internal springs and enclosed threads)

ap-2

December 2, 2021

ap - Clamp, hot line

ACSR with armor rods

Clamps listed below have spring action and enclosed thread chambers.

ar-1

July 2009

ar - Wireholder

Applicable specification:  "RUS Specification for Service Wireholders," D-15

NOTE:  For triplex type service cable see clevis type wireholders on page bt-1.

Conditional List

ar(1)

July 2009

ar - Wireholder

(with #22 wood screw)

as-1

July 2009

as - Clevis, service swinging

Applicable Specifications:  "RUS Specifications for Service Swinging Clevises," D-7

*Catalog number does not include spool; for spool insulators see Item cm.

at-1

July 2009

at - Guy Marker, 8 Foot Length

Steel

at-2

March 2016

at - Guy Marker

8 Foot Length

Plastic or Fiberglass

* For use with formed or automatic type deadends for guy strand; will not fit over bolt type guy clamps.

** Available with either 1 or 2 bolt clamps.

at-3

October 2015

at - Guy Marker

(Non-Flame Retardant)

8 Foot Length

Plastic or Fiberglass

*For use with formed or automatic type deadends for guy strand; will not fit over bolt type guy clamps.

Conditional List

at(1)

February 2013

at - Reflective Guy Marker, 8-foot length

Plastic or Fiberglass

av-1

March 2020

av – Conductor, ACSR

Applicable Specification:  ASTM Specification B 232

                                  Preferred Sizes:

NOTE: Larger sizes may be used where the engineer’s study shows they are required.

The following manufacturers have shown compliance with the applicable specifications:

NOTES:

1. Conductors with 18/1 stranding have different sag characteristics than conductors with 6/1 or 26/7 stranding.  This difference in sag characteristics must be taken into consideration in the line design.

2. 266.8 kcmil 26/7, 336.4 kcmil 26/7, and 477 kcmil 26/7 may be used for distribution underbuild on transmission lines.

av-2

June 2015

av - Conductor, copper

Applicable Specifications: 	ASTM Specification B1 for hard-drawn solid

ASTM Specification B8 for hard drawn stranded and soft stranded

ASTM Specification B3 for soft or annealed solid

Preferred Sizes:	Hard-drawn solid - 4 and 6

Soft or annealed solid - 4 and 6

Hard-drawn stranded - 2x3, 1/0 x 7, 2/0 x 7

Soft stranded - 4 and 6

The following manufacturers have shown compliance with the applicable specifications:

av-3

September 2010

av - Conductor, Copper and Copper-clad steel

Applicable Specification:  ASTM Specification B 229

The following manufacturers have shown compliance with the applicable specification for the sizes indicated:

av-4

June 2015

av - Conductor, Service

(Single Conductor)

Applicable Specification:  ICEA S-95-658 / NEMA WC70 

Insulation:  Cross-linked thermosetting polyethylene or equal.

Conductor:  MHD copper or HD (Aluminum 1350) aluminum (Compact or compressed stranded conductor is acceptable.)

Marking:  Manufacturer's name and type of insulation shall be clearly shown in durable markings on the surface of the      insulation at intervals no greater than 24 inches.

av-5

June 2015

av - Conductor, Service Cable

(Triplex and Quadruplex)

Applicable Specifications:  RUS Specification D-2, Specifications for 600 Volt Neutral-Supported Secondary Service Drop                              Cables.

av-6

June 2013

av - Conductor, Aluminum Alloy

Applicable Specification:  ASTM Specification B399

Preferred Sizes:

*Not recommended for multiphase lines with span lengths exceeding 300 ft.

**Not recommended for suspension type construction.

The following manufacturers have shown compliance with the applicable specifications:

Conditional List

av(1)

September 2010

av - conductor

Conditional List

av(2)

July 2009

av – covered tap wire

(for use as primary jumpers)

Conditional List

av(3)

July 2009

av - Conductor, Service

(Single and Multi-Conductor)

Applicable Specification:  ICEA S-95-658 / NEMA WC70 

Insulation:  Cross-linked thermosetting polyethylene or equal.

Conductor:  HD (Aluminum 1350) aluminum

Marking:  Manufacturer's name and type of insulation shall be clearly shown in durable markings on the surface of the insulation at intervals no greater than 24 inches.

Conditional List

av(4)

April 2015

av – Conductor, High Temperature

Preferred Conductor Sizes****(equivalent in diameter to the following ACSR conductors)*

Transmission Lines

  336.4 kcmil - 26/7

477 kcmil - 26/7

  556.5 kcmil - 26/7

795 kcmil - 26/7

954 kcmil - 54/7

1272 kcmil - 54/19

NOTES: 

1. Larger sizes may be used where the engineer's study shows they are required.

2. Conductor diameter should be within 10% of ACSR equivalent diameter size.

Conditional List

av(5)

July 2009

av – Conductor, Twisted Pair (T-2 & VR type)

Preferred Conductor Sizes****(equivalent in diameter to the following ACSR conductors)*

Transmission Lines

  336.4 kcmil - 26/7

477 kcmil - 26/7

  556.5 kcmil - 26/7

795 kcmil - 26/7

954 kcmil - 54/7

1272 kcmil - 54/19

**T-2 type (ACSR-II)**

Aluminum Conductor Steel Reinforced- Twisted Pair

ACSR or AAAC (6201)

**VR-2 type**

Aluminum Conductor Steel Reinforced- Twisted Pair

ACSR or AAAC (6201)

Vibration Damping

NOTES: 

1. Larger sizes may be used where the engineer's study shows they are required.

2. Conductor diameter should be within 10% of ACSR equivalent diameter size.

aw-1

February 2011

aw - Washer, spring

Clip

1/4" x 1-3/4" x 3-1/2"

Double Coil Lock

ax-1

February 2011

ax - Cutout and Arrester, Combination

Either normal duty or heavy duty distribution class arresters listed on page ae-1 are acceptable for use with these combination units.

*These cutouts have open links and must not be used where fault currents are high or for sectionalizing.

(L) Indicates loadbreak type is available.

az-1

July 2009

az - Pole Numbers and Letters, Metal

ba-1

September 2010

ba - Bolt, Angle Eye

Thimble Type

Applicable Specification:  ANSI C135.4, "Standards for Galvanized Ferrous Eye Bolts and Nuts for Overhead Line Construction"

Applicable Sizes          :  5/8 inch, 6 through 12 inch length

                                       3/4 inch, 8 through 12 inch length

The following manufacturers have shown compliance with the applicable specifications:

bb-1

July 2009

bb - Brace, sidearm vertical

be-1

July 2009

be - Reclosers, oil and vacuum

		(Type E available with shunt lockout solenoid for three-phase operation)

NOTES:  

1.	Series trip reclosers with ratings greater than 100 amp for 12.5/7.2 kV application, greater than 200 amp for 24.9/14.4 kV application, and 280 amp for 34.5/19.9 kV application are acceptable only with ground trip device.  Shunt trip reclosers without ground trip devices may not be used with trip settings higher than 200 amp for 12.5/7.2 kV application, greater than 400 amp for 24.9/14.4 kV application, and 560 amp for 34.5/19.9 kV application.

2.	Reclosers are not acceptable with load current, bushing CT battery chargers.

Conditional List

be(1)

July 2009

be - Recloser, oil circuit

12.5/7.2 kV

24.9/14.4 kV

34.5/19.9 kV

NOTES:

1.  Series trip reclosers with ratings greater than 100 amp for 12.5/7.2 kV application, greater than 200 amp for 24.9/14.4 kV application, and 280 amp for 34.5/19.9 kV application are acceptable only with ground trip device.  Shunt trip reclosers without ground trip devices may not be used with trip settings higher than 200 amp for 12.5/7.2 kV application, greater than 400 amp for 24.9/14.4 kV application, and 560 amp for 34.5/19.9 kV application.

2.  Reclosers are not acceptable with load current, bushing CT battery chargers.

Conditional List

be(2)

September 2014

be - Reclosers, vacuum interrupter

NOTES:

1.  Series trip reclosers with ratings greater than 100 amp for 12.5/7.2 kV application, greater than 200 amp for 24.9/14.4 kV application, and 280 amp for 34.5/19.9 kV application are acceptable only with ground trip device.  Shunt trip reclosers without ground trip devices may not be used with trip settings higher than 200 amp for 12.5/7.2 kV application, greater than 400 amp for 24.9/14.4 kV application, and 560 amp for 34.5/19.9 kV application.

2.  Reclosers are not acceptable with load current, bushing CT battery chargers.

Conditional List

be(2.1)

July 2009

be - Recloser vacuum interrupter

NOTES:

1.  Series trip reclosers with ratings greater than 100 amp for 12.5/7.2 kV application, greater than 200 amp for 24.9/14.4 kV application, and 280 amp for 34.5/19.9 kV application are acceptable only with ground trip device.  Shunt trip reclosers without ground trip devices may not be used with trip settings higher than 200 amp for 12.5/7.2 kV application, greater than 400 amp for 24.9/14.4 kV application, and 560 amp for 34.5/19.9 kV application.

2.  Reclosers are not acceptable with load current, bushing CT battery chargers.

Conditional List

be(2.2)

April 2019

be - Recloser, vacuum interrupter

NOTES:

1.  Series trip reclosers with ratings greater than 100 amp for 12.5/7.2 kV application, greater than 200 amp for 24.9/14.4 kV application, and 280 amp for 34.5/19.9 kV application are acceptable only with ground trip device.  Shunt trip reclosers without ground trip devices may not be used with trip settings higher than 200 amp for 12.5/7.2 kV application, greater than 400 amp for 24.9/14.4 kV application, and 560 amp for 34.5/19.9 kV application.

2.  Reclosers are not acceptable with load current, bushing CT battery chargers.

Conditional List

be(2.3)

November 29, 2022

be - Recloser, vacuum interrupter

NOTES:

1.  Series trip reclosers with ratings greater than 100 amp for 12.5/7.2 kV application, greater than 200 amp for 24.9/14.4 kV application, and 280 amp for 34.5/19.9 kV application are acceptable only with ground trip device.  Shunt trip reclosers without ground trip devices may not be used with trip settings higher than 200 amp for 12.5/7.2 kV application, greater than 400 amp for 24.9/14.4 kV application, and 560 amp for 34.5/19.9 kV application.

2.  Reclosers are not acceptable with load current, bushing CT battery chargers.

Conditional List

be(3)

July 2009

be - Recloser, SF6 interrupter

NOTES:

1.  Series trip reclosers with ratings greater than 100 amp for 12.5/7.2 kV application, greater than 200 amp for 24.9/14.4 kV application, and 280 amp for 34.5/19.9 kV application are acceptable only with ground trip device.  Shunt trip reclosers without ground trip devices may not be used with trip settings higher than 200 amp for 12.5/7.2 kV application, greater than 400 amp for 24.9/14.4 kV application, and 560 amp for 34.5/19.9 kV application.

2.  Reclosers are not acceptable with load current, bushing CT battery chargers.

Conditional List

be(4)

July 2009

be - Recloser, vacuum interruption with solid dielectric

NOTES:

1. Series trip reclosers with ratings greater than 100 amp for 12.5/7.2 kV application, greater than 200 amp for 24.9/14.4 kV application, and 280 amp for 34.5/19.9 kV application are acceptable only with ground trip device.  Shunt trip reclosers without ground trip devices may not be used with trip settings higher than 200 amp for 12.5/7.2 kV application, greater than 400 amp for 24.9/14.4 kV application, and 560 amp for 34.5/19.9 kV application.

2. Reclosers are not acceptable with load current, bushing CT battery chargers.

Conditional List

be(4.1)

September 2013

be - Recloser, vacuum interruption with solid dielectric

NOTES:

1. Series trip reclosers with ratings greater than 100 amp for 12.5/7.2 kV application, greater than 200 amp for 24.9/14.4 kV application, and 280 amp for 34.5/19.9 kV application are acceptable only with ground trip device.  Shunt trip reclosers without ground trip devices may not be used with trip settings higher than 200 amp for 12.5/7.2 kV application, greater than 400 amp for 24.9/14.4 kV application, and 560 amp for 34.5/19.9 kV application.

2. Reclosers are not acceptable with load current, bushing CT battery chargers.

Conditional List

be(4.2)

November 2015

be - Recloser, vacuum interruption with solid dielectric

NOTES:

1. Series trip reclosers with ratings greater than 100 amp for 12.5/7.2 kV application, greater than 200 amp for 24.9/14.4 kV application, and 280 amp for 34.5/19.9 kV application are acceptable only with ground trip device.  Shunt trip reclosers without ground trip devices may not be used with trip settings higher than 200 amp for 12.5/7.2 kV application, greater than 400 amp for 24.9/14.4 kV application, and 560 amp for 34.5/19.9 kV application.

2. Reclosers are not acceptable with load current, bushing CT battery chargers.

Conditional List

be(4.3)

April 2, 2024

be - Recloser, vacuum interruption with solid dielectric

NOTES:

1. Series trip reclosers with ratings greater than 100 amp for 12.5/7.2 kV application, greater than 200 amp for 24.9/14.4 kV application, and 280 amp for 34.5/19.9 kV application are acceptable only with ground trip device.  Shunt trip reclosers without ground trip devices may not be used with trip settings higher than 200 amp for 12.5/7.2 kV application, greater than 400 amp for 24.9/14.4 kV application, and 560 amp for 34.5/19.9 kV application.

2. Reclosers are not acceptable with load current, bushing CT battery chargers.

bh-1

July 2009

bh - Clevis, Service Deadend

Applicable Specification:  "RUS Specification for Service Deadend Clevises," D-8

*Catalog number does not include spool; for spool see Page cm.

bi-1

January 2015

bi - Gain, Pole

For use with rectangular crossarms

For braceless crossarms (narrow profile construction)

Transmission

Grid Gains

bj-1

July 2009

bj - Guy Hook

Applicable Specification:  Edison Electric Institute Specification TD-11- 1951, "Specifications for Guy Hooks and Guy Strain Plates."

bk-1

July 2009

bk - Guy Plate

Applicable Specifications:

Strain Type: Edison Electric Institute Specification TD-11 1951, "Specifications for Guy Hooks and Guy Strain Plates."

Lift Type: None

bn-1

November 2014

bn - clamp, loop deadend

For ACSR

bo-1

July 2009

bo - Shackle, anchor

Distribution

Transmission

br-1

September 2015

br – Chain Link (End Link)

bs-1

November 2011

bs - Bolt, single upset

Applicable Specifications:  "RUS Specifications for Single and Double Upset Spool Bolts," D-5

bt-1

July 2009

bt - Wireholder, clevis type

with No. 24 wood screw

(For use with triplex type service cable, Drawing K10C-A)

*Catalog number does not include insulator.  Use secondary type spool insulator with 1-3/4 inch groove diameter.  See page cm-1.

bu-1

May 2010

bu - Connector, grounding

for transformer or other equipment

1 - For use with copper type ground wire.

2 - For use with both copper and aluminum type ground wire.

3 - For use with aluminum type ground wire.

bv-1

August 2014

bv - Rods, armor

(Includes standard, double insulator, and tapping rods)

Aluminum or aluminum alloy rods for use on ACSR

Copperweld rods for copper or CWC conductor

Alumoweld rods for aluminum clad steel (Alumoweld)

Overhead ground wire

bx-1

July 2009

bx - Splice, automatic

*For use on conductors 4/0 and smaller only.

bx-1.1

May 2017

bx - Splice, automatic

Distribution

Conditional List

bx(1)

July 2009

bx - Splice, automatic

DISTRIBUTION

DISTRIBUTION AND TRANSMISSION

by-1

July 2009

by - Deadend, automatic and formed Type

ACSR

*For use on conductors 4/0 and smaller only.

Aluminum Alloy

(6201 and 5005)

Conditional List

by(1)

July 2009

by - Deadends, automatic and formed type

FORMED TYPE

AUTOMATIC TYPE

bz-1

August 9, 2023

bz - Switch, oil

12.5/7.2 kV

*Control equipment should be selected in accordance with the requirements of individual installations.

**This item is also available in a special design for use in areas where corrosion is a serious problem.

bz-2

August 9, 2023

bz - Switch, oil

24.9/14.4 kV

*Control equipment should be selected in accordance with the requirements of individual installations.

**This item is also available in a special design for use in areas where corrosion is a serious problem.

Conditional List

bz(1)

July 2009

bz - Switch, oil

Conditional List

bz(2)

January 2014

bz - Switch, vacuum

(For capacitor switching)

cg-1

September 2014

cg - Switch, air, three-pole, group-operated

NEMA standard switches for station and line structures

(L) Means gas or solid material full-load interrupters are accepted and available.

(VL) Means vacuum full-load interrupters are accepted and available.

*These switches may be purchased with reduced voltage vacuum interrupters and may be applied for loop sectionalizing duty when peak recovery voltage does not exceed 25 kV

NOTE:  Phase-over-phase mounted switches are not acceptable above 25 kV class unless equipped with full-load interrupters.  Switches of 15 kV and 25 kV classes with individual phases mounted on wood crossarms or poles must be supplied with insulated interphase and control rods.

cg-1.1

July 2009

cg - Switch, air, three-pole, group-operated

NEMA standard switches for station and line structures

(L) Means gas or solid material full-load interrupters are accepted and available.

(VL) Means vacuum full-load interrupters are accepted and available.

*These switches, except 34.5 kV Alduti vertical break, are available and accepted with the S & C type SMD substation fuse cutouts listed on page af-3.

** Also available in bronze in some ratings.

***Available with porcelain insulators.  Available with "Cypoxy" cycloaliphatic epoxy insulators through 34.5 kV on request.

NOTE:  Phase-over-phase mounted switches are not acceptable above 25 kV class unless equipped with full-load interrupters.  Switches of 15 kV and 25 kV classes with individual phases mounted on wood crossarms or poles must be supplied with insulated interphase and control rods.

cg-2

July 2009

cg - Switch, air, three pole, group operated

(Factory Preassembled)

(FOR USE ON STEEL SUBSTATION STRUCTURES)

(L) Means gas or solid material full-load interrupters are accepted and available.

*Available with porcelain insulators.  Available with "Cypoxy" cycloaliphatic epoxy insulators through 34.5 kV on request.

cg-3

July 2009

cg - Switch, air, three-pole, group operated

(not Suitable for Substation Use)

(L) Means gas or solid material full-load interrupters are accepted and available.

(VL) Means vacuum full-load interrupters are accepted and available.

NOTE:  Phase-over-phase mounted switches are not acceptable above 25 kV class unless equipped with full-load interrupters.  Switches of 15 kV and 25 kV classes with individual phases mounted on wood crossarms or poles must be supplied with insulated interphase and control rods.

cg-4

April 2020

cg - Switch, three-pole, group-operated

(Factory Preassembled)

(L)	Means gas or solid material full-load interrupters are accepted and available.

(A)	Not suitable for substation use.

(B)	For station and transmission use only.  The steel crossarm base must be grounded with an adequate grounding connector.  200 kV BIL only.

NOTES:  

Switches with factory-assembled crossarm type bases for distribution lines must have non-conducting crossarm type bases, non-conducting braces, and insulated interphase and control rods, except as otherwise noted.

* Available with porcelain insulators.  Available with "Cypoxy" cycloaliphatic epoxy insulators through 34.5kV on request.

# Both operating shaft and hookstick versions of switch accepted.  Applies to both polymer and porcelain insulators.

Conditional List

cg(1)

July 2009

cg - Switch, air, three-pole, group operated

(L) Means full-load interrupter accepted and available.

(VL) Means vacuum full-load interrupters are accepted and available.

Conditional List

cg(1.1)

July 2009

cg - Switch, air, three-pole, group-operated

(L) Means full-load interrupter accepted and available.

(VL) Means vacuum full-load interrupters are accepted and available.

*Available with porcelain insulators.  Available with "Cypoxy" cycloaliphatic epoxy insulators through 34.5 kV on request.

Conditional List

cg(1.2)

July 2009

cg - Switch, Air, Three-Pole, Group Operated

(L) Means full-load interrupter accepted and available.

(VL) Means vacuum full-load interrupters are accepted and available.

ci-1

July 2009

ci - Clevis, thimble

Rated Strength

cj-1

August 2018

cj - Pole Ground Wire

Soft annealed iron, BB Grade, class C galvanizing

(For pole protection only)

Size

1.15 Ohms/1000 ft., max.

Copper, soft annealed solid

ASTM Specification B3

Manufacturer

(See page av-2)

Aluminum (for above ground use only)

Hard-drawn

Manufacturer

(See page av-1)

Aluminum Alloy (for above ground use only)

Copper-Clad Steel, Annealed 40 percent Conductivity

*   Theft deterrent versions, both poly-jacketed and camouflaged are acceptable.

Conditional List

cj(1)

cj - Pole Ground Wire, alternative conductor

ck-1

July 2009

ck - clamp, anchor rod bonding

For Standard and Drive Type Rods

For Power Installed Screw Anchors

cm-1

June 2012

cm - Insulator, Spool

cm-2

July 7, 2020

cm – Insulators, spool, composite/polymer

cp-1

November 2014

cp - Deadend, Compression Type

ACSR

NOTE:	These compression deadends are acceptable when installed using tools and dies in accordance with the deadend manufacturer's recommendations.

cp-1.1

September 2014

cp - Deadend, Compression Type

ACSR

NOTE:	These compression deadends are acceptable when installed using tools and dies in accordance with the deadend manufacturer's recommendations.

cp-2

July 2009

cp - Deadend, Compression Type

ACSR

Adjustable

Aluminum Alloy

(6201 and 5005)

Copper

Copperweld-Copper

NOTE:  These deadends are acceptable when installed with tools and dies in accordance with the deadend manufacturer's recommendations.

Conditional List

cp(1)

July 2009

cp - Deadend, compression type

NOTE:  These deadends are acceptable when installed with tools and dies in accordance with the deadend manufacturer's recommendations.

Conditional

cp(2)

April 2015

cp –Dead-end, compression

For use with High Temperature Conductors

NOTE:  These compressions are acceptable when installed using tools and dies in accordance with the conductor’s manufacturer's recommendations.

cq-1

July 2009

cq - Deadend, Secondary

(For use on secondary deadends only)

Copper

Offset Compression

Copperweld-Copper

Offset Compression

Copperweld-Copper

Automatic Deadend

cr-1

July 2009

cr - Bracket, Angle Suspension

Applicable Specifications:  "RUS Specification for Angle Suspension Brackets," DT-4

cs-1

July 2009

cs - Bracket, Pole Top Pin

For Transmission and 24.9/14.4 kV Distribution

Applicable Specifications:  "RUS Specifications for Pole Top Brackets for Channel Type Pins," D-14

ct-1

July 2009

ct - Plate, Double Arming

Transmission

cu-1

January 2016

cu – 26 inch  Brace, crossarm (side-mounted)

Note: Braces listed above have 26-inch hole spacing. They are to be used in place of the flat steel braces previously listed on page h.

cu-2

January 2016

cu – 60 inch Brace, crossarm (underarm)

*Denotes Fiber Reinforced Plastic, all others are wood

cu-3

January 2016

cu – Bracket, Crossarm, center mount

cx-1

July 2009

cx - Splice, oval tube

Copper

Copperweld-Copper

cy-1

November 2014

cy - Splice, Compression

ACSR

NOTE:  These splices are acceptable when installed with tools and dies in accordance with the splice manufacturer's recommendations.

cy-1.1

July 2009

cy - Splice, Compression

ACSR

NOTE:  These splices are acceptable when installed with tools and dies in accordance with the splice manufacturer's recommendations.

cy-2

July 2009

Splice, Compression

Copper and Copperweld-Copper

NOTE:  These splices are acceptable when installed with tools and dies in accordance with the splice manufacturer's recommendations.

cy-3

September 2014

cy - Splice, compression

(one-piece)

(For 6201 and 5005 Aluminum Alloy Conductors)

NOTE:  These splices are acceptable when installed with tools and dies in accordance with the splice manufacturer's recommendations.

Conditional List

cy(1)

November 2014

cy - Splice, compression

1-piece splice for ACSR

1-piece splice for AWAC

*Satisfactory for use with 6201 and 5005 all aluminum alloy conductor through 4/0 and 19 strand conductors of sizes 266.8 kcmil and 477 kcmil.

NOTE:  These splices are acceptable when installed using tools and dies in accordance with the splice manufacturer's recommendations.

Conditional

cy(2)

April 2015

cy -Splice, compression, high temperature

For use with High Temperature Conductors

NOTE:  These splices are acceptable when installed using tools and dies in accordance with the conductor’s manufacturer's recommendations.

cz-1

November 2014

cz - Splice for Steel Strand (Overhead Ground Wire)

Compression

Single Sleeve Only

da-1

July 2009

da - Bracket, insulated

dh-1

January 2012

dh - Ground, pole

(For system grounds, see ground rods on page ai)

*  Plate area exposed to the soil is at least 0.046 m2 or 0.5 ft2; 

    Plate thickness is at least 1.5 mm or 0.06 in.

dh-2

February 2020

dh - Ground, pole

Alternative Materials

(For system grounds, see ground rods on page ai)

dl-1

July 2009

dl - Pipe Spacer

3/4" diameter x 1-1/2" length

dm-1

April 2016

dm - Bracket, transformer

(For cluster mounting of two or three transformers on pole)

For mounting of two transformers

dp-1

April 2014

dp - Clamp, ground wire

Transmission

For grounding steel towers and substation structures

Bolt Included

(For use with copper ground wires)

For use in:	Pole Grounding Assembly TM-9

	Capacitor Assemblies M9-11, M9-12 and M9-13

Conditional

dp(1)

January 2010

dp – Clamp, ground wire

Transmission

For grounding steel towers and substation structures

Bolt Included

(For use with copper ground wires)

dq-1

July 2009

dq - Eye Screw, Elliptical

For use in deadending triplex type service cable, Drawing K2.3.

dr-1

June 2013

dr – Clevis, conduit, insulated

For use in deadending triplex service cable, Drawing K3.2.

Applicable Specifications:  “RUS Specifications for Insulated Conduit Clevises and Conduit Wire-holders for Pipe Mast Deadends,” D-16

*Insulator not included.  See page cm for spool insulator.

ds-1

February 2015

ds - Wireholder, conduit

For use in deadending open wire services on pipe masts, Drawing K3.1.

Applicable Specifications:  "RUS Specifications for Insulated Conduit Clevises and Conduit Wireholders," D16

Conditional List

ds(1)

July 2009

ds - Wireholder, conduit

dt-1

July 2009

dt - Deadend, service

For deadending triplex type service cable, Drawing K2.2.

du-1

July 2009

du - Link, Extension

DISTRIBUTION

TRANSMISSION

(25,000 lbs. min. strength)

Guy Extension Link

(For "H" Structure)

NOTE:  The distribution extension links may be substituted for anchor shackle (Item bo), eye bolt (Item o) and eye nut (Item aa) for both small and large conductor drawings shown in RUS Form 803 and RUS Bulletin 50-3 at the option of the owner.

Conditional List

du(1)

July 2009

du - Connecting Links for Pole Bands

Conditions - To obtain experience.in conjunction with pole bands [Item fv(1)]

For Use With Medium Duty Pole Bands

For Use With Heavy Duty Pole bands

dy-1

June 2010

dy - Bolt, eye, double arming

Applicable Specification:  ANSI C135.4, "Standards for Galvanized Ferrous Eye Bolts and Nuts for Overhead Line Construction."

Applicable Sizes              5/8 inch, 14 through 26 inch length

	     3/4 inch, 14 through 26 inch length

The following manufacturers have shown compliance with the applicable specifications:

dz-1

February 2011

dz - Clip, Guy Wire

ea-1

September 30, 2020

ea-1.1

September 30, 2020

ea-2

September 30, 2020

ea-3

September 30, 2020

ea - Insulators, line post, ceramic, horizontal

Transmission

Conditional List

ea(1)

September 30, 2020

ea - Insulator, line post, ceramic

(non-ANSI Class)

Conditional List

ea(3)

September 30, 2020

ea - Insulators, line post, composite, horizontal 

Transmission

Notes:  

1. Flat base for use with flat surface poles

1. Universal base for flat as well as curved poles

1. Two hole blade end fitting available.

Conditional List

ea(3.1)

September 30, 2020

ea - Insulators, line post, composite, horizontal

Transmission

* Notes:  

1. Flat base for use with flat surface poles

2. Universal base for flat as well as curved poles

3. Two hole blade end fitting available.

Conditional List

ea(4)

September 30, 2020

ea - Insulator, line post, composite

Conditional List

ea(4.1)

September 30, 2020

ea - Insulator, line post, composite

Conditional List

ea(5)

September 30, 2020

ea - Insulator, line post, composite, clamp

eb-1

September 2010

eb - Bracket, Pole Top

For Post type Insulators

DISTRIBUTION

TRANSMISSION

ec-1

July 2009

ec - Bracket, Offset Neutral

ed-1

July 2009

ed - Support, overhead ground wire

Applicable Specifications:  "RUS Specifications for Overhead Ground Wire Support Brackets," T-2

ef-1

July 2009

ef - Bolt, clevis

Applicable Specifications:  "RUS Specifications for Clevis Bolts," DT-7

eg-1

September 2011

eg - Plate, crossarm reinforcing

TRANSMISSION

For 5-5/8" x 7-3/8" crossarm

eh-1

July 2009

eh - Hook, ball

ei-1

July 2009

ei - Clamps, suspension with socket eye

ACSR with Straight or Formed Armor Rods

ACSR with Straight or Formed Armor Rods

*Clevis type available.

Conditional List

ei(1)

July 2009

ei - Clamps, suspension with socket eye - cushioned

Condition: To obtain experience

ACSR with Straight or Formed Armor Rods

*Order with socket-eye fitting.

Conditional

ei(2)

July 2009

ei - Clamps, suspension with socket eye - cushioned

For use with **High Temperature Conductors**

NOTE:  These clamps are acceptable when installed using tools and dies in accordance with the conductor’s manufacturer's recommendations.

ej-1

July 2009

ej - Clamps, deadend with socket eye

ACSR

NOTE:  When used with clevis-type insulators for large conductors on distribution lines, order clamp with clevis eye.

Conditional

ej(1)

August 2014

ej - Clamps, dead-end with socket eye

For use with **High Temperature Conductors**

NOTES:

1. When used with clevis-type insulators for large conductors on distribution lines, order clamp with clevis eye.

2. These clamps are acceptable when installed using tools and dies in accordance with the conductor’s manufacturer's recommendations.

ek-1

September 2010

ek - Locknuts

MF Type

el-1

July 2009

el - Sectionalizer

Conditional List

el(1)

November 2016

el - Sectionalizer

*NOTE:  Ratings greater than 100 ampere for 12.5/7.2 kV application and greater than 200 ampere for 24.9/14.4 kV application are acceptable only with ground trip device.

 NOTE:  Cutout type sectionalizers may also be used with cutout frames listed on pages af-1 and ax-1.  Consult manufacturer for application.

em-1

November 2013

em - Brace, crossarm, special

(angle alley arm)

DISTRIBUTION

15" span, 14" drop; 1-1/2" x 3/16"

TRANSMISSION

Conditional List

eq(1)

July 2009

eq - Narrow Profile Brackets and Special Arm Assemblies

METAL BRACKETS

Conditional List

eq(1.1)

September 2010

eq - Narrow Profile Brackets and Special Arm Assemblies

METAL BRACKETS

Conditional List

eq(2)

October 2009

eq - Narrow Profile Brackets and Special Arm Assemblies

FIBERGLASS REINFORCED PLASTIC

For 12.5/7.2 kV

Conditional List

eq(2.1)

April 13, 2022

eq - Narrow Profile Brackets and Special Arm Assemblies

FIBERGLASS REINFORCED PLASTIC

For 12.5/7.2 kV

Conditional List

eq(3)

January 2012

eq - Narrow Profile Brackets and Special Arm Assemblies

FIBERGLASS REINFORCED PLASTIC

For 24.9/14.4 kV

Conditional List

eq(3.1)

July 2009

eq - Narrow Profile Brackets and Special Arm Assemblies

FIBERGLASS REINFORCED PLASTIC

For 24.9/14.4 kV

Conditional List

eq(4)

July 2009

eq - Narrow Profile Brackets and Special Arm Assemblies

WOOD ARM ASSEMBLIES

Conditional List

eq(5)

July 2009

eq - Narrow Profile Brackets and Special Arm Assemblies

COMBINATION INSULATORS AND BRACKETS

er-1

July 2009

er - Wire Guard, Plastic

See Drawing K4.1G

es-1

March 2013

es - Splice Cover, Plastic

(For use over compression type service connections in place of tape)

Splice Cover and Moisture Seal for Secondary Cable Connections (See Drawings G312 and UM5)

Bolted Connector Cover

(For use over bolted type service connections in place of tape)

eu-1

July 2009

eu - Extension Link

(Fiberglass)

(Distribution)

*For use with 6" suspension insulators.

Conditional List

ex(1)

July 2009

ex - Splice, formed type

fc-1

July 2009

fc - Capacitors, Shunt

12470/7200 Volts

24900/14400 Volts

fd-1

October 2015

fd – Hangers, Capacitor

Crossarm Mounting

Pole Mounting

* Available with oil switch mounting bracket.

fg-1

July 2009

fg - Crossarm Saddle

(3-3/4" x 4" with 1-1/4" x 1/4" flange)

fi-1

July 2009

fi - Connectors, hot line

Over Armor Rods

fj, fk, fl

October 2015

fj – Bracket, extension

(For use in mounting circuit reclosers or sectionalizers)

See Drawing VM3-10A

*For mounting double lug reclosers.

fk – Bracket, circuit recloser or sectionalizer

(For cluster mounting of three circuit reclosers on pole)

*Suitable for 14.4 and heavy duty 7.2 kV.

fl – Rack, primary metering

(For cluster mounting of primary metering equipment on pole)

fm-1

September 2013

fm - Extension Bracket for Mounting Apparatus

(Arrester, Cutouts and Potheads for Distribution Pole Mounting)

Note:  Above brackets are not suitable for supporting or deadending distribution line conductors.          (See items “eq” for narrow profile bracket and special arm assemblies)

fm-1.1

October 2015

fm - Extension Bracket for Mounting Apparatus

(Arrester, Cutouts and Potheads for Distribution Pole Mounting)

Note:  Above brackets are not suitable for supporting or deadending distribution line conductors.          (See items “eq” for narrow profile bracket and special arm assemblies)

fn-1

October 2011

fn - Extension Bracket for Mounting Cutouts

Refer to item fm

fo-1

July 2009

fo - Bracket, Transformer Secondary, Insulated

fp-1

July 2009

fp - Oval Eye Ball

(30,000 lbs; to be used with 52-3 and 52-5 insulators)

(No accepted items at this time)

Conditional List

fq(1)

July 2009

fq - Laminated Upswept Arms

Applicable Specification:  RUS Specification DT-5B

Applicable Drawing:  RUS Drawing TUS-1

fs-1

February 2015

fs - Pole Bearing Plate

Conditional List

fs(1)

July 2009

fs - Pole Bearing Plate

ft-1

October 2015

ft - Y-Clevis Ball

fu-1

July 2009

fu - Swinging angle bracket

(TRANSMISSION)

Applicable Specification:  T-8

Swinging angle bracket with hardware and fittings

fv-1

July 2009

fv - Guying Attachments

Transmission

Pole Eye Plates*

25,000 lbs. @ 90o/36,000 lbs. @ 45o

*Capacity of pole eye plate

Conditional List

fv(1)

July 2009

fv - Guy Attachments, Pole Bands Attachments, Pole Bands

With Through Bolts for Transmission Lines

Medium Duty Pole Bands

25,000 lbs @ 90o/36,000 lbs @ 45o*

Heavy Duty Pole Bands

36,000 lbs. @90o /51,000 lbs. @ 45o*

* For a guy lead greater than 1/1, capacity of pole band should be derated.

** Associated hardware includes through bolt, band connecting bolts, nuts, grounding clip and lag screws (if any).  Connecting links (Item du (1)) of the required strength should be ordered separately from the same manufacturer.

ga-1

July 2009

ga - Watthour and Watthour-Demand Meters

1ø, 2 and 3 wire or 2/3 wire 120/240 volts

(Classes 100, 200, 10, and 20)

* Type J4ES for Class 320

ga-2

July 2009

ga - Watthour and Watthour-Demand Meters

Polyphase 2 element - 3 wire, 240 volts - Delta and 120/208 Volts Network

(Classes 100, 200, 10, and 20)

ga-3

July 2009

ga - Watthour and Watthour-Demand Meters

Polyphase 2 element - 4 wire Delta - 120/240 volts

(Classes 100 or 200)

ga-4

July 2009

ga - Watthour and Watthour-Demand Meters

Polyphase - 2-1/2 element - 4 wire wye - (120/208) (277/480) volt

(Classes 100, 200, 10, and 20)

ga-5

July 2009

ga - Watthour and watthour-Demand Meters

# Polyphase - 3 element - 4 wire wye - (120/208) (277/480) volt

(Classes 100, 200, 10, and 20)

	ga-6

	July 2009

ga - Meters, Min/Max Indicating

Ammeters Indicating

Voltmeter, Min/Max

Conditional List

ga(1)

July 2009

ga - Watthour and Watthour-Demand Meters

Conditional List

ga(2)

February 2010

ga - Watthour and Watthour-Demand Meters

Solid State Registers

Conditional List

ga(2.1)

July 2009

ga - Watthour and Watthour-Demand Meters

Solid State Registers

Conditional List

ga(2.2)

July 2009

ga - Watthour and Watthour-Demand Meters

Solid State Registers

gb-1

July 2009

gb - Meter Sockets

#Available with UL label

*UL label

gb-1.1

July 2009

gb - Meter Sockets

*UL Label

#Available with UL label

gb-1.2

September 2014

gb - Meter Sockets

# Available with UL label

*UL label

gb-1.3

September 2014

gb - Meter Sockets

#Available with UL label

* UL label

** Transformer rating in first figure; maximum loading shown by second figure

Conditional List

gb(1)

July 2009

gb - Meter sockets

#Available with UL label.

gj-1

July 2009

gj - Crossarm Assemblies and Arm Spacers

Distribution

Wood crossarm assembly complete with braces and attaching hardware, fittings and bolts

Crossarm Assembly

Twin Arm Spacer*

To be used with standard hardware, 3-5/8" x 4-5/8" x 8’-0” crossarm, and 28" wood braces

*Restricted to applications where the conductor's maximum design tension is less than 1250 lbs. and to conductor sizes 1/0 ACSR and below.

Conditional List

gj(1)

June 2011

gj - Crossarm Assemblies

Braceless, wood

Conditional List

gj(2)

January 2017

Conditional List

gj(2.1)

April 2016

Conditional List

gj(3)

May 21, 2020

go-1

August 2019

go – Fault Indicator, overhead

gw-1

March 2012

gw - Crossarm Assembly for H-Frame Construction

Applicable Specification:	RUS Specification T-7, Revision dated November 1962

Applicable Drawing:	TH-11B Series (161 kV maximum)

	No braces (TH-11B)

	Two vee braces on outside (TH-11BVO)

	Two vee braces on inside (TH-11BVI)

	Four vee braces (TH-11BV4)

3-5/8" x 9-3/8" x 33' wood crossarm assembly complete with attaching hardware, fittings, bolts and 33/8" x 5-3/8" braces.

Catalog Nos. or Drawing Nos.

1 - Fixed spacer fitting sizes as required

2 - Adjustable spacers are available

gw-2

March 2012

gw - Crossarm Assembly for H-Frame construction

(Double Arm) 230 kV (Small Angle)

Applicable Specification:  RUS Specification T-8, Drawing:  TH-231B

Assembly complete with attaching hardware, fittings, bolts and braces.

1 - Fixed spacer fitting sizes as required.

2 - Adjustable spacers are available.

gy-1

March 2012

gy - Crossarm Assembly for H-Frame Construction

(Double Arm)

Applicable Specification:  RUS Specification T-7, Revision dated November 29, 1962

Applicable Drawing: TH-10 Series

No braces (TH-10)

Two vee braces on outside (TH-10VO)

Two vee braces on inside (TH-10VI)

Four vee braces (TH-10V4)

3-5/8" x 9-3/8" x 32' wood crossarm assembly complete with attaching hardware, fittings, bolts and 3-3/8" x 5-3/8" braces.

Catalog Nos. or Drawing Nos.

1 - Fixed spacer fitting sizes as required

2 - Adjustable spacers are available

Conditional

gy(1)

August 2014

gy - Crossarm Assembly for H-Frame Construction

(Double Arm)

Applicable Specification:  RUS Specification T-7, Revision dated November 29, 1962

Applicable Drawing: TH-10 Series

No braces (TH-10)

Two vee braces on outside (TH-10VO)

Two vee braces on inside (TH-10VI)

Four vee braces (TH-10V4)

**3-5/8" x 9-3/8" x 32' wood crossarm assembly complete with attaching hardware, fittings, bolts and 3-3/8" x 5-3/8" braces.**

Catalog Nos. or Drawing Nos.

1 - Fixed spacer fitting sizes as required

2 - Adjustable spacers are available

**4” x 6” x 32’ fiberglass crossarm assembly complete with attaching hardware, fittings, bolts and 3-5/8” x 4-5/8” fiberglass braces.**

Catalog Nos. or Drawing Nos.

1 - Fixed spacer fitting sizes as required

2 - Adjustable spacers are available

gy-2

March 2012

gy - Crossarm Assembly for H-Frame Construction

(Double Arm) 230 kV (Tangent)

Applicable Specification:  RUS Specification T-8

Applicable Drawing: TH-230

Assembly complete with attaching hardware, fittings, bolts and braces.

Crossarm 3-5/8" x 9-3/8"

Crossarm 5-1/8" x 7-1/2"

1 - Fixed spacer fitting sizes as required.

2 - Adjustable spacers are available.

gz-1

July 2009

gz - Crossarm Assembly for Wishbone Construction "Z" Type

(Single Arm)

Applicable Specification:  RUS Specification T-5

Applicable Drawings:       RUS Drawing TSZ-1 

3-5/8' x 5-5/8" wood crossarm assembly complete with brace and attaching hardware, fittings, and bolts

The following manufacturers have shown compliance with the applicable specifications for this assembly:

gz-2

July 2009

gz - Crossarm Assembly for Wishbone Construction, "Z" Type

(Double Arm)

Applicable Specification:  RUS Specification T-5

Applicable Drawings:       RUS Drawings TSZ-2

3-5/8" x 5-5/8" wood crossarm assembly complete with brace and attaching hardware, fittings and bolts

The following manufacturers have shown compliance with the applicable specifications for this assembly:

(2) Adjustable spacers are available.

Conditional List

rp(1)

March 24, 2022

Conditional List

rp(1.1)

May 2018

Conditional List

rp(1.2)

February 4, 2021

Conditional List

rp(1.3)

July 5, 2023

Conditional List

rp(1.4)

November 1, 2023

Conditional List

rp(2)

July 2009

Anti-Perch Devices

NOTE: The material composition of these items does not contain a flame-retardant unless specified by the manufacturer.

sb-1

March 2015

sb - Switch, disconnect (single-pole, hook operated station class)

NEMA standard switches for station or line structure use where single-pole switching is permissible

(L) Means solid material load interrupters are available and accepted.

(LV) Means vacuum interrupters are available and accepted.

(PL) Means hooks for portable load interrupters are available for voltages 34.5 kV and below.  Consult switch manufacturer concerning loop switching applications at higher voltages.

*Available with porcelain insulators.  Available with "Cypoxy" cycloaliphatic epoxy insulators through 34.5 kV on request.

**Insulators are available in Silicone Rubber, Porcelain, and Cycloaliphatic.

sb-1.1

July 2009

sb - Switch, disconnect (single-pole, hook-operated station class)

NEMA standard switches for station or line

structure use where single-pole switching is permissible

(L) Means solid material load interrupters are available and accepted.

(LV) Means vacuum interrupters are available and accepted.

* With steel base only.

(PL) Means hooks for portable load interrupters are available for voltages 34.5 kV and below.  Consult switch manufacturer concerning loop switching applications at higher voltages.

sb-2

May 2019

sb – Switch, disconnect (single-pole, hook operated distribution class)*

For distribution line use where power class insulation is not required and single-phase switching is permissible.

(Not suitable for substation use)

NOTE:  Switches on this page must be furnished with four bolts for double crossarm mounting.

(L) Means solid material load interrupters are available and accepted.

(PL) Means hooks for portable load interrupters are available.

(LV) Means vacuum interrupters are available and accepted.

*Steel bases only.

**Available with porcelain insulators.  Available with "Cypoxy" cycloaliphatic epoxy insulators through 34.5 kV on request.

***Insulators are available in Silicone Rubber, Porcelain, and Cycloaliphatic.

Conditional List

sb(1)

April 2014

sb - Switch, hookstick

(line tension switches)

sc-1

July 2009

sc - Regulators, Voltage

12.5/7.2 kV

13.2/7.62 kV

Applicable Specification:  "RUS Specification for Substation Regulators," S-2

Eaton

General Electric

Siemens-Allis

(L) Indicates line use

(S) Indicates substation use

sc-2

July 2009

sc - Regulators, Voltage

24.9/14.4 kV

General Electric

Siemens-Allis

(L) Indicates line use

(S) Indicates substation use

Conditional List

sc(1)

July 2009

sc - Regulators, Voltage

sd-1

March 2018

sd - Current Transformers

Outdoor Type

NOTE:	The transformer types listed above are accepted in all standard ratios.  Insulation class, voltages, ratios and other necessary information should be specified when ordering.

sd-1.1

April 2020

sd - Current Transformers

Outdoor Type

NOTE:	The transformer types listed above are accepted in all standard ratios.  Insulation class, voltages, ratios and other necessary information should be specified when ordering.

Conditional List

sd(1)

February 2011

sd - Current Transformers

Outdoor Type

se-1

March 2018

se - Voltage Transformers

Outdoor Type

NOTE:	The transformer types listed above are acceptable in all standard ratios.  Insulation class, voltages, ratios and other necessary information should be specified when ordering.

se-1.1

April 2020

se - Voltage Transformers

Outdoor Type

NOTE:	The transformer types listed above are acceptable in all standard ratios.  Insulation class, voltages, ratios and other necessary information should be specified when ordering.

Conditional List

se(1)

July 2009

se - Voltage Transformers

Outdoor Types

sj-1

March 2015

sj - Switches, oil circuit recloser by-pass

*Not For Use In Substations

**Insulators are available in Silicone Rubber, Porcelain, and Cycloaliphatic.

***Option BE means switch is equipped with bypass studs and REA 4 bolt back strap.

Conditional List

sj(1)

October 2018

sj - Switches, oil circuit recloser by-pass

sk-1

March 2015

sk - Switch, regulator by-pass - disconnect

For outdoor use

NOTE:  All switches should be furnished with NEMA standard insulators and with 110 kV BIL rating (15 kV systems) or 150 BIL ratings (25 kV systems) for station use.

*Available with porcelain insulators.  Available with "Cypoxy" cycloaliphatic epoxy insulators through 34.5 kV on request.

**Insulators are available in Silicone Rubber, Porcelain, and Cycloaliphatic.

Conditional List

sk(1)

July 2009

sk - Switch, regulator by-pass - disconnect

For outdoor use

NOTE:  All switches should be furnished with NEMA standard insulators and with 110 kV BIL rating for station use.

sl-1

July 2009

sl - Switch, Combination Power Fuse and Disconnect

(Used with an additional disconnect switch to by-pass

oil circuit reclosers at substations)

NOTE:  All switches and cutouts should be furnished with NEMA standard insulators.

*Available with porcelain insulators.  Available with "Cypoxy" cycloaliphatic epoxy insulators through 34.5 kV on request.

sr-1

August 2018

sr - Steel Conductor for Substation Grounding, Copper-Clad or Galvanized

(See av-2 for copper grounding conductor)

Conditional List

sr(1)

August 2018

sr - Steel Conductor for Substation Grounding, Copper-Clad or Galvanized

(See av-2 for copper grounding conductor)

Conditional List

sr(2)

sr - Conductor for Substation Grounding, alternative conductor

vx-1

March 2012

vx - Cross Brace assembly, 3-3/8" x 5-3/8"

with hardware and fittings (Dwg. TM-110, RUS Specification T-7)

Cross Brace assembly, 3-5/8" x 7-1/2" Min.

with hardware and fittings (Dwg. TM-110, RUS Specification T-8)

Conditional

vx(1)

August 2014

vx - Cross Brace assembly, 3-3/8" x 5-3/8"

with hardware and fittings (Dwg. TM-110, RUS Specification T-7)

Cross Brace assembly, 3-5/8" x 7-1/2" Min.

with hardware and fittings (Dwg. TM-110, RUS Specification T-8)

PART II

Underground Distribution Equipment

U ae-1

July 2009

U ae - Surge Arresters, Distribution

for Underground System Pole Risers

(Lightning Arresters)

SiC Type

NOTE: 	The arresters listed on this page may be used singly or in parallel, but must be applied in accordance with paragraph VI.A., in RUS Bulletin 61-3, "Underground Rural Distribution."  Other arresters listed on pages ae-1 and ae-2 may be used for underground systems when applied in accordance with this bulletin.

Conditional List

U ae(1)

January 2015

U ae - Arresters, Surge

(Shielded for Underground System Pad-Mounted Equipment)

CONDITION OF ACCEPTANCE:  To Obtain Experience

ELBOW ARRESTERS

(1)  MOV Type (Internally Gapped)

Conditional List

U ae(1.1)

January 2015

U ae - Arresters, Surge

(Shielded for Underground System Pad-Mounted Equipment)

CONDITION OF ACCEPTANCE:  To Obtain Experience

PARKING STAND ARRESTERS

(1)  MOV Type (Internally Gapped)

Conditional List

U ae(1.2)

January 2015

U ae - Arresters, Surge

(Shielded for Underground System Pad-Mounted Equipment)

CONDITION OF ACCEPTANCE:  To Obtain Experience

BUSHING ARRESTERS

(1)  MOV Type (Internally Gapped)

Conditional List

U ae(2)

July 2009

U ae - Arresters, Surge

(For Underground System Pole Risers)

CONDITION OF ACCEPTANCE:  To Obtain Experience

MOV Type

*Has intermediate class arrester characteristics but does not have intermediate class venting capability.

**A non-fragmenting U.D. II Arrester is available for 9 & 10 kV designs at higher cost when specified.

Conditional List

U ae(2.1)

July 2009

U ae - Arresters, Surge

(For Underground System Pole Risers)

CONDITION OF ACCEPTANCE:  To Obtain Experience

MOV Type (Internally Gapped)

U an-1

April 2017

U an - Transformers, Distribution

Pad-Mounted, Dead-Front

(For underground application)

NOTES

All acceptances are based on RUS Specification U-5, “Specifications for Pad-Mounted Transformers (Single and Three Phase).”

All single-phase and three-phase transformers above accepted for the following voltages (kV) unless otherwise noted: 12.47/7.2; 13.2/7.6; 24.9/14.4; and 24.9/14.4 x 12.47/7.2 dual voltage	

(1)   Accepted for 12.47/7.2 kV and 13.2/ 7.62 kV only.

(2)    Accepted for 24.9/14.4 kV only.

The enclosures for these transformers have been certified as meeting the requirements of ANSI C57.12.28.  A copy of the certification is available from the manufacturer.

Not all kVA sizes in above kVA ranges are available from all listed manufacturers.

Some of the above single-phase and three-phase transformers are available with internal under oil surge arresters.  The availability and type of arresters vary with each manufacturer.  The following types of under-oil arresters are acceptable: “UMX”, “Tranquell” and “AZU.”

U an-2

September 2013

U an - Transformers, Distribution

Pad-Mounted, Dead-Front

(For unit residential underground application)

(Single-phase, 7.2 kV and 7.6 kV)

NOTES

All acceptances are based on RUS Specification U-5, “Specifications for Pad-Mounted Transformers (Single and Three Phase).”

The enclosures for these transformers have been certified as meeting the requirements of ANSI C57.12.28.  A copy of the certification is available from the manufacturer.

Conditional List

U an(1)

May 2019

U an - Transformers, Distribution

Pad-Mounted, Dead-Front

(For underground application)

Conditions for Acceptance:    To Obtain Experience

NOTES

All acceptances are based on RUS Specification U-5, “Specifications for Pad-Mounted Transformers (Single and Three Phase).”

All single-phase and three-phase transformers above conditionally accepted for the following voltages (kV) unless otherwise noted: 12.47/7.2; 13.2/7.6; 24.9/14.4; and 24.9/14.4 x 12.47/7.2 dual voltage	

The enclosures for these transformers have been certified as meeting the requirements of ANSI C57.12.28.  A copy of the certification is available from the manufacturer.

Not all kVA sizes are available from all listed manufacturers.

U ax-1

July 2009

U ax - Cutout and Arrester, Combination

for Underground System Pole Risers

NOTE:  The units listed on this page may be used with single arresters or arresters in parallel, but must be applied in accordance with paragraph VI.A. in RUS Bulletin 61-3, "Underground Rural Distribution."  Other arresters listed on pages ae-1 and ae-2 may be used for underground systems when applied in accordance with this bulletin.

Cutouts used on underground riser poles should be loadbreak type or have hooks for portable load interrupters.

Either normal duty or heavy duty distribution class arresters listed on page ae-1 are acceptable for use with these combination units.

Conditional List

U ax-2

July 2009

U ax - Cutout and Arrester

Combination for Underground System Pole Risers

Metal Oxide Type Arresters

Note 1:  Other arresters listed on pages ae-1 and ae-2 may be used for underground systems when applied in accordance with RUS Bulletin 61-3, "Underground Rural Distribution."

Note 2:  Cutouts used on underground riser poles should be loadbreak type or have hooks for portable load interrupters.	

Conditional List

U be(1)

July 2009

U be - Reclosers, pad-mounted

NOTES:

1.  Series trip reclosers with ratings greater than 100 amp for 12.5/7.2 kV application, greater than 200 amp for 24.9/14.4 kV application, and 280 amp for 34.5/19.9 kV application are acceptable only with ground trip device.  Shunt trip reclosers without ground trip devices may not be used with trip settings higher than 200 amp for 12.5/7.2 kV application, greater than 400 amp for 24.9/14.4 kV application, and 560 amp for 34.5/19.9 kV application.

2.  Reclosers are not acceptable with load current, bushing CT battery chargers.

U be - Reclosers, vacuum interruption with solid dielectric

NOTES:

1.  Series trip reclosers with ratings greater than 100 amp for 12.5/7.2 kV application, greater than 200 amp for 24.9/14.4 kV application, and 280 amp for 34.5/19.9 kV application are acceptable only with ground trip device.  Shunt trip reclosers without ground trip devices may not be used with trip settings higher than 200 amp for 12.5/7.2 kV application, greater than 400 amp for 24.9/14.4 kV application, and 560 amp for 34.5/19.9 kV application.

2.  Reclosers are not acceptable with load current, bushing CT battery chargers.

U cg-1

July 2009

U cg - Switch, air, three-pole, group-operated

for pole-mounted cable risers

(Factory Preassembled)

(L) Means gas or solid material full-load interrupters are accepted and available.

*Available with porcelain insulators.  Available with "Cypoxy" cycloaliphatic epoxy insulators through 34.5 kV on request.

NOTE:  Switches with factory-assembled crossarm type bases must have nonconducting crossarm type bases, nonconducting braces, and insulated interphase and control rods.

Conditional List

U cg(1)

July 2009

U cg - Switch, Air, Three-Pole, Group Operated

(L) Means full-load interrupter accepted and available.

*Available with porcelain insulators.  Available with Cypoxy insulators through 34.5 kV on request.

U fw-1

March 2013

U fw - Secondary Tap Connector

U fz-1

March 2020

U fz – Transformer Connector Block, Insulated

Multiple Cable Connectors

U gc-1

October 2015

U gc - Shield, cable riser

Plastic and Fiberglass

(Order by size and length)

*All sizes available with back plate.

Full Round**

**Full round riser shield is to be mounted directly to the surface of the pole with no standoffs.

U gk-1

December 2015

U gk - Terminations, Indoor

(When ordering specify conductor size, type, whether

copper or aluminum and insulation diameter)

U gk-2

April 27, 2021

U gk - Terminations, outdoor

(with mounting hardware) *

PREMOLDED

(When ordering, specify conductor size, type, whether copper or aluminum, insulation diameter, and type of mounting desired)

*Mounting Hardware is used to attach termination to mounting bracket (U hd or U hj).

NOTE: Some of the above terminators may require ordering the mounting hardware separately.

U gk-2.1

April 27, 2021

U gk - Terminations, outdoor

(with mounting hardware) *

HEAT SHRINK

(When ordering, specify conductor size, type, whether copper or aluminum, insulation diameter, and type of mounting desired)

*Mounting Hardware is used to attach termination to mounting bracket (U hd or U hj).

NOTE: Some of the above terminators may require ordering the mounting hardware separately.

U gk-2.2

April 27, 2021

U gk - Terminations, outdoor

(with mounting hardware) *

COLD SHRINK

(When ordering, specify conductor size, type, whether copper or aluminum, insulation diameter, and type of mounting desired)

*Mounting Hardware is used to attach termination to mounting bracket (U hd or U hj).

NOTE: Some of the above terminators may require ordering the mounting hardware separately.

U gk-2.3

April 27, 2021

U gk - Terminations, outdoor

(with mounting hardware) *

PORCELAIN

(When ordering, specify conductor size, type, whether copper or aluminum, insulation diameter, and type of mounting desired)

*Mounting Hardware is used to attach termination to mounting bracket (U hd or U hj).

NOTE: Some of the above terminators may require ordering the mounting hardware separately.

U gn-1

December 2019

U gn - Enclosures, equipment

Applicable Specifications:  "RUS Specifications for Equipment Enclosures," U-4

NOTE:

1. The above enclosures are available with various multipoint terminations.  The owner should specify termination points to be provided.

2. These enclosures have been certified as meeting the requirements of ANSI C57.12.28.  A copy of the certification is available from the manufacturer.

U gn-2

May 6, 2021

U gn - Enclosures, Equipment

Sectionalizing Enclosures

NOTES:

1. The above enclosures are available with various multipoint terminations.  The owner should specify termination points to be provided.

2. These enclosures have been certified as meeting the requirements of ANSI C57.12.28.  A copy of the certification is available from the manufacturer.

*  Also available as a Cleer SecTER cabinet with the Cleer, 600 amp load break connector     assemblies installed for both 15 kV and 25 kV systems.

U go-1

August 2019

U go - Fault Indicator

(For Construction Unit UM 6-4)

Note:  Fault indicators that require the drilling or cutting to the enclosure for mounting are not acceptable.

U gp-1

March 2013

U gp - Connector Blocks and Splices, Secondary

Watertight - For Use In All Locations

U gp-2

July 2009

U gp - Secondary Connector Blocks and Splices, Insulated

Non-Watertight - For Use In Above-Grade Pedestals Only

U gq-1

July 2009

U gq - Boot or sleeve, insulated*

*Use restricted to 120/208 volt 500 kVA transformers and larger not equipped with threaded studs.

U gu-1

February 2013

U gu - Pedestal, Power

(Above-Grade)

Refer to Construction Drawing UK5

Applicable Specifications: "RUS Specifications for Secondary Power Pedestals," U-6

U gu-1.1

March 2018

U gu - Pedestal, Power

(Above-Grade)

Refer to Construction Drawing UK5

Applicable Specifications:	"RUS Specifications for Secondary Power Pedestals," U-6

*Furnished with stake.

**Pole mounted

U gu-2

July 2009

U gu - Power Pedestal

(Below-Grade)

Refer to Drawing UK6

Applicable Specifications:  "RUS Specifications for Secondary Power Pedestals," U-6

U gu-2.1

December 2019

U gu - Power Pedestal

(Below-Grade)

Refer to Drawings UK6

Applicable Specifications:  "RUS Specifications for Secondary Power Pedestals," U-6

U gv-1

July 2009

U gv - Stake, Power Pedestal

Refer to Construction Drawing UK5

U hb-1

September 2015

U hb - Cable Accessories

(When ordering specify conductor size, type whether copper or aluminum and insulation diameter)

(Items on this page are rated for operation on three-phase systems and may be used on single-phase systems.)

200 Ampere Continuous Current Rating

U hb-1.1

October 26, 2020

U hb - Cable Accessories

(When ordering specify conductor size, type, whether

copper or aluminum and insulation diameter)

(Items on this page are rated for operation on three-phase systems and may be used on single-phase systems.)

200 Ampere Continuous Current Rating

U hb-2

February 18, 2022

U hb - Cable Accessories

(When ordering, specify conductor size, type, whether copper or aluminum and insulation diameter)

600 Ampere Continuous Current Rating

U hb-2.1

April 2014

U hb - Cable Accessories

(When ordering, specify conductor size, type, whether copper or aluminum and insulation diameter)

600 Ampere Continuous Current Rating

U hb-2.2

February 18, 2022

U hb - Cable Accessories

(When ordering, specify conductor size, type, whether copper or aluminum and insulation diameter)

600 Ampere Continuous Current Rating

Conditional List

U hb(1)

July 2009

U hb - Cable Accessories

(When ordering specify insulation diameter)

Concentric Neutral Clamps (Bonding)

U hc-1

March 2014

U hc - Cable Supports

15 and 25 kV

U hd-1

October 2015

U hd – Brackets, pothead mounting, and Brackets, combination pothead and arrester mounting

U he-1

May 24, 2022

U he – Padmounted Switchgear

12.5/7.2 kV

*Furnished with current limiting fuses.

NOTES:

1.  Enclosures on this page must comply with the dead-front requirements of RUS Spec. U-4.

2.  These enclosures have been certified as meeting the requirements of ANSI C57.12.28.  A copy of the certification is available from the manufacturer.

3.  Single-pole switching of three-phase underground circuits may cause ferroresonance.

U he-2

May 24, 2022

U he – Padmounted Switchgear

24.9/14.4 kV

NOTES:

1.  Enclosures on this page must comply with the dead-front requirements of RUS Specification U-4.

2.  These enclosures have been certified as meeting the requirements of ANSI C57.12.28.  A copy of the certification is available from the manufacturer.

3.  Single-pole switching of three-phase underground circuits may cause ferroresonance.

U he-3.1

July 2017

U he – Padmounted Switchgear

(200 and 600 amp)

Notes:

1. Enclosures on this page must comply with the deadfront requirements of RUS Spec. U-4.

2. These enclosures have been certified as meeting the requirements of ANSI C57.12.28.  A copy of the certification is available from the manufacturer.

3. Single-pole switching of three-phase underground circuits may cause ferroresonance.

U he-3.2

December 2019

U he – Padmounted Switchgear

(200 and 600 amp)

Notes:

1.  Enclosures on this page must comply with the deadfront requirements of RUS Spec. U-4.

2.  The enclosures have been certified as meeting the requirements of ANSI C57.12.28.  A copy of the certification is available from the manufacturer.

3.  Single-pole switching of three-phase underground circuits may cause ferroresonance.

Conditional List

U hf(1)

March 2013

U hf - Jacketed Cable Restoration Kits

(For resealing concentric neutral wires after installation of splices in jacketed underground cable)

(When ordering, specify diameter of cable over jacket)

Conditional List

U hf(2)

March 2013

U hf - Terminator Sealing Kits

(For resealing concentric neutral wires after installation of elbows or outdoor terminations on jacketed underground cable.)

(When ordering, specify diameter of cable over jacket.)

Conditional List

U hf(3)

March 2013

U hf - Jacketed Cable Grounding Kits

(For connecting a grounding lead wire to the concentric neutral wires and resealing the jacket)

(When ordering, specify diameter of cable over jacket)

U hj-1

July 2009

U hj - Bracket, combination arrester, cutout and pothead mounting

Applicable Drawing:  UA1, UA2, UA3

U hp-1

September 2015

U hp - Terminations, Elbow

(rated for switching on three-phase systems)

(When ordering, specify conductor size, type, whether copper or aluminum and insulation diameter)

U hq-1

June 2014

U hq - Terminations, Multipoint

(Items on this page are rated for operation on three-phase systems and may be used on single-phase systems)

U hq-2

September 2015

U hq - Terminations, Feed-Through and Parking Bushings

U hq-3

December 2013

U hq - Terminations, Multipoint

600 Ampere Continuous Current Rating

U hr-1

March 2013

U hr - Secondary tap or splice cover, submersible

Heat Shrink Tubing (with sealant throughout)

U hv-1

February 2020

U hv - Cable, Underground

15 kV, 25 kV, 35 kV Cable

Applicable Specification:	7 CFR Part 1728.204

Conductor (15 kV):	Copper or Aluminum - #2 AWG through 1000 kcmil

Conductor (25 kV):	Copper or Aluminum - #1 AWG through 1000 kcmil

Conductor (35 kV):	Copper or Aluminum – 1/0 through 1000 kcmil

Insulation:	Tree-retardant Crosslinked Polyethylene (XLP-TR)

	(1) indicates Union Carbide 4202 XLP-TR

	(2) indicates BP H119Y XLP-TR

	(3) indicates BP H118Y XLP-TR

	(4) indicates LG XL8080 TR

Ethylene Propylene Rubber (EPR)

	(E) indicates EPR

Neutral:	Copper Concentric Neutral

Jacket:	High Molecular Weight Polyethylene

U hv-1.1

February 2020

U hv - Cable, Underground

15 kV, 25 kV, 35 kV Cable

Applicable Specification:	7 CFR Part 1728.204

Conductor (15 kV):	Copper or Aluminum - #2 AWG through 1000 kcmil

Conductor (25 kV):	Copper or Aluminum - #1 AWG through 1000 kcmil

Conductor (35 kV):	Copper or Aluminum – 1/0 through 1000 kcmil

Insulation:	Tree-retardant Crosslinked Polyethylene (XLP-TR)

	(1) indicates Union Carbide 4202 XLP-TR

	(2) indicates BP H119Y XLP-TR

	(3) indicates BP H118Y XLP-TR

	(4) indicates LG XL8080 TR

Ethylene Propylene Rubber (EPR)

	(E) inidicates EPR

Neutral:	Copper Concentric Neutral

Jacket:	High Molecular Weight Polyethylene

U hv-2

February 2020

U hv - Cable, Underground

600 Volt Cable

Applicable Specification:  RUS Specification U-2

Conductor:  Copper, #4 AWG and larger; Aluminum, #2 AWG and larger

Insulation:  Cross-Linked polyethylene (XLPE)

NOTE:  The manufacturers shown above have indicated that their 600 volt cable is suitable for use on 480 volt corner grounded delta circuits.

The above cable may be supplied with UL label for Type USE.

U hv-3

June 2015

U hv - Cable, Underground

600 Volt Multi-Conductor Cable

Applicable Specification:  RUS Specification U-2

Conductor:  Copper, #4 AWG and larger; Aluminum, #2 AWG and larger

Insulation:  Cross-Linked polyethylene (XLPE)

Cable Configuration:  3 Insulated Conductors Triplexed

The above cable may be supplied with UL label for Type USE.

**Technical List**

**U hv-4**

**July 26, 2022**

**U hv - Cable, Underground**

600 Volt Cable

(Alternative Cable Constructions)

Applicable Specification:  RUS Specification U-2 (except as indicated below)

NOTE:  Manufacturers listed below are accepted for alternatives A, B, C, D and/or E for the products listed on pages U hv-2 and U hv-3.

Alternative A: 8000 series aluminum alloy in accordance with ASTM B800 or B801.

Alternative B: Stranding in accordance with ASTM B786 for aluminum 1350 conductors or ASTM B787 for copper conductors.

Alternative C: Abuse resistant (ruggedized) (single or two layer) insulation in accordance with ICEA S-81-570.

Alternative D: Self-healing

Alternative E: Stranding in accordance with ASTM B 901 for Compressed Round Stranded Aluminum Conductors Using Single Input Wire Construction

Conditional List

U hv(1)

August 19, 2022

U hv - Cable, Underground

15 kV, 25 kV and 35 kV Cable

(Alternative Insulation Compound)

Applicable Specification:	7 CFR Part 1728.204

Conductor (15 kV):	Copper or Aluminum - #2 AWG through 1000 kcmil

Conductor (25 kV):	Copper or Aluminum - #1 AWG through 1000 kcmil

Conductor (35 kV):	Copper or Aluminum – 1/0 through 1000 kcmil

Alternative Insulation Compound:	Tree-retardant Crosslinked Polyethylene (TR-XLPE)

	(I) indicates Pirelli IE.7100 XLP-TR

	(II) indicates AT Plastic PowerGuard 320TR

	(III) indicates Union Carbide HFDB-4202

	(IV) indicates Nova Borealis LE 4212

	(V) indicates Dow HFDB 8202

	(VI) indicates Dow EnduranceTM HFDC 4202 EC

	(VII) indicates LG XL 8080TR

	(VIII) indicates Hanwha Wire and Cable Compound CLNA TR-8142EC

Ethylene Propylene Rubber (EPR)

	(E) indicates EPR

	(EAM) indicates General Cable EI-4000-LF

Neutral:	Copper Concentric Neutral

Jacket:	High Molecular Weight Polyethylene

Conditions:	To obtain experience

Conditional List

U hv(2)

June 2015

U hv - Cable, Underground

600 Volt Cable

(Alternative Cable Construction)

Applicable Specification:  RUS Specification U-2 (except as indicated below)

NOTE:  Manufacturers listed below are conditionally accepted for alternatives A, B, C, D and/or E for the products listed on pages U hv-2 and U hv-3.

Alternative A: 8000 series aluminum alloy in accordance with ASTM B800 or B801.

Alternative B: Stranding in accordance with ASTM B786 for aluminum 1350 conductors or ASTM B787 for copper conductors.

Alternative C: Abuse resistant (ruggedized) (single or two layer) insulation in accordance with ICEA S-81-570.

Alternative D: Self-healing

Alternative E: Stranding in accordance with ASTM B 901 for Compressed Round Stranded Aluminum Conductors Using Single Input Wire Construction

Condition:  To obtain experience.

U hw-1

July 2009

U hw - Safety signs

Applicable Specifications:  RUS Drawings ANSI Z535

*Reflective signs also available.

The signs listed on this page are to be secured to equipment and transformer enclosures by means of an adhesive or by welding.  Screws and rivets are not to be used.

U hx-1

July 2009

U hx - Cable Route Marker

(For pressure sensitive decal add "D" prefix to catalog number.)

U hy-1

June 2015

U hy - Splice, Underground, Permanent

(when ordering, specify conductor size, type, whether copper or aluminum and insulation diameter)

U hy-1.1

May 2019

U hy - Splice, Underground, Permanent

(When ordering specify conductor size, type, whether copper or aluminum and insulation diameter)

U hy-2

July 2009

U hy - Splice, Underground, Separable

(When ordering specify conductor size, type, whether

copper or aluminum and insulation diameter)

U hy-3

July 2009

U hy - Splice, Underground, Permanent

(When ordering specify conductor size, type, whether

copper or aluminum and insulation diameter)

600 Ampere Continuous Current Rating

U ja-1

October 2014

U ja – Equipment Flat Pad*

*Order by catalog number and size. 

U ja-2

December 2019

U ja – Equipment Box Pad (Sleeve)*

*Order by catalog number and size.

U jb-1

July 2009

U jb - Splice Shield

Conditional List

U sc(1)

July 2009

U sc - Regulators, voltage, pad-mounted

for underground distribution

12.5/7.2 kV

U sd-1

July 2009

U sd - Current Transformers

600 Volt

Direct Burial Type

Indoor Type for Pad-Mounted Transformers

U si-1

May 2014

U si - Anodes, Sacrificial

(Drawing M27)

Zinc Anodes*

*When ordering, specify zinc anodes that meet ASTM B418-73 Type II Composition and RUS Specification DT-9, "RUS Specification for Zinc Sacrificial Anodes."

U si-2

May 2014

U si - Anodes, Sacrificial

(Drawings UM11-1, UM26, UM27, M2-7, M2-17)

Magnesium Anodes**

**When ordering, specify magnesium anodes that meet RUS Specification DT-10, "RUS Specification for Magnesium Sacrificial Anodes."

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