MDUCTOR LOADING NOMOGRAPH

ANO CONDUCTOR LOADS - LB PER LINEAR FT OF

MISCELLANEOUS PUBLICATION M176

CHART IB UNG NOMOGRAPH

.OADS - LB PER LINEAR FT OF CONDUCTOR

0.5. 0.75

o

z

Q<

O

_J

Q

LU

_ 0.7

at

. DEPARTMENT OF COMMERCE

CONDUCTOR LOADING NOMOGRAPH

VERTICAL, TRANSVERSE AND CONDUCTOR LOADS - LB PER LINEAR FT OF CONDUCTOR

0.5 0.75

MGHT EDGE AND READ T



BENDING MOMENT

DUE TO WIND PRESSURE ON POLE

Mi Mz

1-50 000

20 000-

:-40 000

15 000-

: - 30 ooo

8 000-

6 000-

4 000-

3 000-

|y _ PT + G

WHERE ^

B CIRCUMFERENCE AT POLE fOP, IN INCHES C v AND G = CIRCUMFERENCE AT GROUND LINE, IN INCHES. H = HEIGHT OF POLE ABOVE GROUND LINE . IN FEET.

M| = MOMENT AT GROUND LINE FOR HEAVY AND MEDIUM LOADING, IN POUND- FEET. M? — MOMENT AT GROUND LINE FOR LIGHT LOADING, IN POUND-FEET.

LAY STRAIGHTEDGE ACROSS CHART FROM K TO H AND READ BENDING MOMENT AT M, OR M2

Chart 2A.Bending moment due to wind pressure on pole

(Enlarged from fiS. 19 of Discus.ion Handbook H39. NESC, part 2)

U. S. DEPARTMENT OF COMMERCE miscellaneous

ULTIMATE RESISTING MOMENTS OF WOOD POLES


U. S. DEPARTMENT OF COMMERCE

BUREAU < MISCELLANEOUS PUBLICATION ! GUIDE - CHART FOR.

CARBON — BR.U5H TERMINALS (electmc)

ALL DIMENSIONS IN INCHES

I NT ECRAL HORSEPOWER K OK I NDU5TK.1 AL 5RU5H 5HUNT T LUMINALS

GENERAL PURPOSE HEAVY CURRENT

F LAG TYPL STRAIGHT COLLAR, CUT TYPL PRESSED TU6E TYPL

o:riA

N O. A B C

I.I 5/32 3/8 ^(6

i.z 7/n ^/t> 7/\b

1.3 '/2 '/Z

1.4 9'3i S/& ,3"£> OPTIONAL HOLE. OR SLOT

NO. A & C

2. | 5/si 3/a s/3

2.2 7/32 l/Z ,3//fe 2.3 9/3 2 9/\b

3

-/1

6

OPTIONAL HOLE O R SLOT

NO.

3. I 3.2. 3.3

3.4

&

3 V3Z /lfe 9/32 S/I6

'k32 '^)6

,3/32 'Via

SLOT ONLY

c

l>a

NO. A &

4. I 9/32 9/|fe

4.2 "/32 S/S

l3/3 2 3 4.3 /4

OPTIONAL HOLE OR. 5 LOT

FRACTIONAL HORSEPOWER f)RU5H SHUNT TERMINALS BOX TYPE HOLDER

FLAG TYPE 5 T RA IGHT COLLAR

N o.

5- I 5.2

A & C

</& 'M </+ S/2Z 9/32 5/1

6

A 5 C

'/a <M Vz

S/3Z 3/3Z >/Z O PT I ON AL HOLE OR. SLOT OPTIONAL HOLE OR. SLOT

TOLERANCES-- FOR SHUNT TERMINALS LENGTH AND WIDTH PLUS ORMINUS </32

HOLE OK SLOT - PLUS O. O O O MINUS O.OIO

FRACTIONAL HORSEPOWER. 5RU5H TERMINALS — CARTRIDGE TYPE. HOLDERS

STAMPED ROUND DISCS ROUND CAPS TURNED 5RA5S ROUND BUTTONS

NO LARS I FLAT EARS STAMPED DENT EARS WITH NECK. WITH NECK. 6 NIPPLE

A

NO. ABC

7. I 3/i& '/& '/i 6

7.2 '/4 ->lfc V|b

73 S>I6 7/32 '/I6

7 4 3/fl 3/32 '/1

6

7.5 7/16 ^16 3/32

7 6 9/lfc 7/1 6

t/8

7.7 -V4 V2 '/6

NO. A' A

z b C

S.I 5/lfe 7/J2 5/32 Z3-64 8 2

3/8 ^32 3/j 2 3L64

8 3

7/l6 5/\b 7/32 '^32

8-4 s/t '/I 3/32

NO. A B' & 2

9. I '/4 3/ife 7/32

3. Z '/4 3/l6 7/32

9. 3 ^16 3/J6 9/J2

9. 4

5//6 3/lfe 3/3L

3. 5

J/S 3//6 9/J2

9. 6 3/8 -V|6 9/32 9 7 '/2 "/32 7/[<b

3. 8

9/(6 '/32 7/l6

3.9 "/ife 7/l6 '/2 310 ,/6

,3/|6 3

/32

C D

.175 3/|6 .085 3/IS

• 175 '/4 .085 '/4

175 '/4 .085 '/4 .240 5/ife 240 5/\b

350 ^//e

350 7/|&

NO. A' A

2 &' B

2-

I O.I 732 5/32 3/32 3/64

fO.Z. '/4 3/lfe J/32 •3/64

10.3 5/32 7/32 '/S '/1

6

10.4 "/32 5/32 /8

10.5 VZ "/JZ '/& '/I6

\0.<b 3Ab l3/32 '/& '/l(,

NO. A' A

2 A1 &' &

2

ft 3

I I. I fife %2 3/32 3/l6 3/64 3/JZ

11.2 <'/3Z 74 3/32 3/16 3/64

11.3 fa 9/32 3/32 Vlfe 3/64 -^32

TOLERANCES: FOR DISCS, CAPS AND BUTTONS ALL DIMENSIONS PLUSO.OOO MINU5 0.005