APPENDIX 3A. LIGHTING DEFINITIONS IN THE UNITED STATES CODE AND

CODE O F FEDERAL REGULATIONS

TABLE O F CONTENTS

**3A.1 I**  **NTRODUCTION**

**........................................................................................................ 3A­1** 

**3A.1.1 General**  **Service Fluorescent**  **Lamps**

**................................................................. 3A­1** 

**3A.1.1.1 United**  **States Code**  **Definitions.......................................................... 3A­1** 

**3A.1.1.2 Code**  **of Federal**  **Regulations Definitions**  **in 10**  **CFR 430.2............... 3A­2** 

**3A.1.2 Incandescent**  **Reflector Lamps..........................................................................**  **3A­4**

**3A.1.2.1 United**  **States Code**  **Definitions.......................................................... 3A­4** 

**3A.1.2.2 Code**  **of Federal**  **Regulations Definitions**  **in 10**  **CFR 430.2............... 3A­7** 

**3A.1.3 All**  **Covered Lamps...........................................................................................**  **3A­8**

**3A­i**APPENDIX 3A. LIGHTING DEFINITIONS IN THE UNITED STATES CODE AND

CODE O F FEDERAL REGULATIONS

3A.1 I NTRODUCTION

**Appendix 3**  **A provides**  **definitions from**  **the United**  **States Code**  **(USC) and**  **Code of** 

**Federal Regulations**  **(CFR) for**  **the lamp**  **products covered**  **under this**  **rulemaking. (42**  **U.S.C.**

**6291(30); 10**  **CFR section**  **430.2) These**  **definitions do**  **not include**  **fluorescent lamp**  **definitions**

**associated with**  **fluorescent ballast**  **standards. In**  **addition, recent**  **amendments by**  **the Energy** 

**Independence and**  **Security Act**  **of 2007**  **have been**  **incorporated into**  **the following**  **USC**

**definitions, and**  **outdate definitions**  **in the**  **CFR pertaining**  **to general**  **service fluorescent**  **and**

**incandescent reflector**  **lamps have**  **been omitted.** 

3A.1.1 G eneral Service Fluorescent Lamps

3A.1.1.1 U nited States Code Definitions

**42 U**  **.S.C. 6291(30)(A)** 

Except as provided in subparagraph (E), the term “fluorescent lamp” means a low

pressure mercury electric­discharge source in which a fluorescing coating transforms

some of the ultraviolet energy generated by the mercury discharge into light, including

only the following:

(i) A ny s traight­shaped lamp (commonly referred to as 4­foot medium bi­pin lamps)

with medium bi­pin bases of nominal overall length of 48 inches and rated

wattage of 28 or more. (ii) A ny U ­shaped lamp (commonly referred to as 2­foot U­shaped lamps) with

medium bi­pin bases of nominal overall length between 22 and 25 inches and

rated wattage of 28 or more. (iii)Any r apid start lamp (commonly referred to as 8­foot high output lamps) with

recessed double contact bases of nominal overall length of 96 inches and 0.800

nominal amperes, as defined in ANSI C78.1­1978 and related supplements.

(iv)Any i nstant s tart lamp (commonly referred to as 8­foot slimline lamps) with single

pin bases of nominal overall length of 96 inches and rated wattage of 52 or more,

as defined in ANSI C78.3­1978 (R1984) and related supplement ANSI C78.3a1985.

**42 U**  **.S.C. 6291(30)(B)** 

The t erm “general service fluorescent lamp” means fluorescent lamps which can be used

to satisfy the majority of fluorescent applications, but does not include any lamp designed

and marketed for the following non­general lighting applications:

(i) F luorescent l amps designed to promote plant growth.

(ii) F luorescent l amps specifically designed for cold temperature installations.

(iii) C olored f luorescent lamps.

**3A­1**(iv) Impact­resistant f luorescent lamps.

(v) R eflectorized o r aperture lamps.

(vi) F luorescent l amps designed for use in reprographic equipment.

(vii) L amps p rimarily designed to produce radiation in the ultra­violet region of the

spectrum.

(viii) L amps w ith a color rendering index of 87 or greater.

3A.1.1.2 C ode of Federal Regulations Definitions in 10 CFR 430.2

Basic m odel means all units of a given type of covered product (or class thereof)

manufactured by one manufacturer and—

* * * * *

( 15) w ith r espect to general service fluorescent lamps, means lamps that have

essentially identical light output and electrical characteristics

– including lumens

per watt and color rendering index (CRI)

– and that do not have any differing

physical or functional characteristics that affect energy consumption or efficacy.

Cold t emperature fluorescent lamp means a fluorescent lamp specifically designed to

start at −20 [deg]F when used with a ballast conforming to the requirements of ANSI

Standard C78.1–1991, and is expressly designated as a cold temperature lamp both in

markings on the lamp and in marketing materials, including but not limited to catalogs,

sales literature, and promotional material.

Colored f luorescent lamp means a fluorescent lamp designated and marketed as a

colored lamp, and with either of the following characteristics: a CRI less than 40, as

determined according to the method given in CIE Publication 13.2 (see 10 CFR 430.22),

or a lamp correlated color temperature less than 2,500K or greater than 6,600K.

Fluorescent l amp means a low pressure mercury electric­discharge source in which a fluorescing coating transforms some of the ultraviolet energy generated by the mercury discharge into light, including only the following:

(1) A ny s traight­shaped lamp (commonly referred to as 4­foot medium bi­pin lamps)

with medium bi­pin bases of nominal overall length of 48 inches and rated

wattage of 28 or more. (2) A ny U ­shaped lamp (commonly referred to as 2­foot U­shaped lamps) with

medium bi­pin bases of nominal overall length between 22 and 25 inches and

rated wattage of 28 or more. (3) A ny r apid start lamp (commonly referred to as 8­foot high output lamps) with

recessed double contact bases of nominal overall length of 96 inches and 0.800

nominal amperes, as defined in ANSI C78.1­1991.

**3A­2**(4) Any i nstant start lamp (commonly referred to as 8­foot slimline lamps) with single

pin bases of nominal overall length of 96 inches and rated wattage of 52 or more,

as defined in ANSI C78.3­1991.

Residential s traight­shaped lamp means a low pressure mercury electric­discharge

source in which a fluorescing coating transforms some of the ultraviolet energy generated by the mercury discharge into light, including a straight­shaped fluorescent

lamp with medium bi­pin bases of nominal overall length of 48 inches and is either

designed exclusively for residential applications; or designed primarily and marketed

exclusively for residential applications.

(1) A lamp i s designed exclusively for residential applications if it will not function

for more than 100 hours with a commercial high­power­factor ballast.

(2) A lamp i s designed primarily and marketed exclusively for residential

applications if it:

(i) I s p ermanently and clearly marked as being for residential use only;

(ii) Has a l ife of 6,000 hours or less when used with a commercial highpower­factor ballast;

(iii)Is n ot labeled or represented as a replacement for a fluorescent lamp that

is a covered product; and

(iv)Is marketed a nd distributed in a manner designed to minimize use of the

lamp with commercial high­power­factor ballasts.

(3) A manufacturer m ay market and distribute a lamp in a manner designed to

minimize use of the lamp with commercial high­power­factor ballasts by:

(i) P ackaging a nd labeling the lamp in a manner that clearly indicates the

lamp is for residential use only and includes appropriate instructions

concerning proper and improper use; if the lamp is included in a catalog

or price list that also includes commercial/industrial lamps, listing the

lamp in a separate residential section accompanied by notes about proper

use on the same page; and providing as part of any express warranty

accompanying the lamp that improper use voids such warranty; or (ii) U sing o ther comparably effective measures to minimize use with

commercial high­power­factor ballasts.

Rated w attage, with respect to 4­foot medium bi­pin T8, T10 or T12 lamps, means: (1) I f t he lamp is listed in ANSI C78.1­1991, the nominal wattage of a lamp

determined by the lamp designation in Annex A.2 of ANSI C78.1­1991; or (2) I f t he lamp is a residential straight­shaped lamp, the wattage a lamp consumes

when operated on a reference ballast for which the lamp is designed; or (3) I f t he lamp is neither listed in ANSI C78.1­1991 nor a residential straight­shaped

lamp, the wattage a lamp consumes when using reference ballast characteristics

of 236 volts, 0.43 amps and 439 ohms for T10 or T12 lamps or reference ballast

characteristics of 300 volts, 0.265 amps and 910 ohms for T8 lamps.

**3A­3**3A.1.2 Incandescent Reflector Lamps

3A.1.2.1 U nited States Code Definitions

**42 U**  **.S.C. 6291(30)(C)** 

Except as provided in subparagraph (E), the term “incandescent lamp” means a lamp in

which light is produced by a filament heated to incandescence by an electric current,

including only the following:

(i) A ny l amp (commonly referred to as lower wattage nonreflector general

service lamps, including any tungsten­halogen lamp) that has a rated

wattage between 30 and 199 watts, has an E26 medium screw base, has a

rated voltage or voltage range that lies at least partially within 115 and

130 volts, and is not a reflector lamp.

(ii) A ny l amp (commonly referred to as a reflector lamp) which is not colored

or designed for rough or vibration service applications, that contains an

inner reflective coating on the outer bulb to direct the light, an R, PAR,

ER, BR, BPAR or similar bulb shapes with E26 medium screw bases, a

rated voltage or voltage range that lies at least partially within 115 and

130 volts, a diameter which exceeds 2.25 inches, and has a rated wattage

that is 40 watts or higher.

(iii) A ny g eneral service incandescent lamp (commonly referred to as a highor higher­wattage lamp) that has a rated wattage above 199 watts (above

205 watts for a high wattage reflector lamp).

**42 U**  **.S.C. 6291(30)(F)** 

The term ““incandescent reflector lamp” means a lamp described in subparagraph

(C)(ii).

**42 U**  **.S.C. 6291(30)(I)** 

The term “bulb shape” means the shape of lamp, especially the glass bulb with

designations for bulb shapes found in ANSI C79.1­1980 (R1984).

**42 U**  **.S.C. 6291(30)(R)** 

The term “tungsten­halogen lamp” means a gas­filled tungsten filament incandescent

lamp containing a certain proportion of halogens in an inert gas.

**42 U**  **.S.C. 6291(30)(W)** 

The term “modified spectrum” means, with respect to an incandescent lamp, an

incandescent lamp that­­

(i) i s n ot a colored incandescent lamp; and

(ii) w hen op erated at the rated voltage and wattage of the incandescent lamp­

(I) h as a color point with (x,y) chromaticity coordinates on the

Commission Internationale de l”Eclairage (C.I.E.) 1931

chromaticity diagram that lies below the black­body locus; and

**3A­4**(II) has a color point with (x,y) chromaticity coordinates on the C.I.E.

1931 chromaticity diagram that lies at least 4 MacAdam steps (as

referenced in IESNA LM16) distant from the color point of a clear

lamp with the same filament and bulb shape, operated at the same

rated voltage and wattage.

**42 U**  **.S.C. 6291(30)(X)** 

The t erm “rough service lamp” means a lamp that­­

(i) h as a minimum of 5 supports with filament configurations that are C­7A,

C­11, C­17, and C­22 as listed in Figure 6­12 of the 9th edition of the

IESNA Lighting handbook, or similar configurations where lead wires are

not counted as supports; and

(ii) i s d esignated and marketed specifically for “rough service” applications,

with­­

(III) t he d esignation appearing on the lamp packaging; and

(IV) m arketing m aterials that identify the lamp as being for rough

service.

**42 U**  **.S.C. 6291(30)(AA)** 

The t erm “vibration service lamp” means a lamp that­­

(i) h as f ilament configurations that are C­5, C­7A, or C­9, as listed in Figure

6­12 of the 9th Edition of the IESNA Lighting Handbook or similar

configurations;

(ii) h as a maximum wattage of 60 watts;

(iii) i s s old at retail in packages of 2 lamps or less; and

(iv) i s d esignated and marketed specifically for vibration service or vibrationresistant applications, with­­

(I) t he d esignation appearing on the lamp packaging; and

(II) m arketing m aterials that identify the lamp as being vibration

service only.

**42 U**  **.S.C. 6291(30)(AA)** 

The term “colored incandescent lamp” means an incandescent lamp designated and

marketed as a colored lamp that has­­

(i) a color r endering index of less than 50, as determined according to the

test method given in C.I.E. publication 13.3­1995; or (ii) a correlated c olor temperature of less than 2,500K, or greater than

4,600K, where correlated temperature is computed according to the

Journal of Optical Society of America, Vol. 58, pages 1528­1595 (1986).”

**42 U**  **.S.C. 6291(51)** 

The term “medium screw base” means an Edison screw base identified with the prefix E26 in the “American National Standard for Electric Lamp Bases”, ANSI–IEC C81.61­

2003, published by the American National Standards Institute

**3A­5 42**  **U.S.C. 6291(54)** 

The term “BPAR incandescent reflector lamp” means a reflector lamp as shown in figure

C78.21­278 on page 32 of ANSI C78.21­2003.

**42 U**  **.S.C. 6291(55)(A)** 

The t erm “BR incandescent reflector lamp” means a reflector lamp that has­­

(i) a bulged s ection below the major diameter of the bulb and above the

approximate baseline of the bulb, as shown in figure 1 (RB) on page 7 of

ANSI C79.1­1994, incorporated by reference in section 430.22 of title 10,

Code of Federal Regulations (as in effect on the date of enactment of this

paragraph); and

(ii) a finished s ize and shape shown in ANSI C78.21­1989, including the

referenced reflective characteristics in part 7 of ANSI C78.21­1989,

incorporated by reference in section 430.22 of title 10, Code of Federal

Regulations (as in effect on the date of enactment of this paragraph).

**42 U**  **.S.C. 6291(55)(B)** 

The term “BR30” means a BR incandescent reflector lamp with a diameter of 30/8ths of

an inch.

**42 U**  **.S.C. 6291(55)(C)** 

BR40­ The term “BR40” means a BR incandescent reflector lamp with a diameter of

40/8ths of an inch.

**42 U**  **.S.C. 6291(56)(A)** 

The t erm “ER incandescent reflector lamp” means a reflector lamp that has­­

(i) a n e lliptical section below the major diameter of the bulb and above the

approximate baseline of the bulb, as shown in figure 1 (RE) on page 7 of

ANSI C79.1­1994, incorporated by reference in section 430.22 of title 10,

Code of Federal Regulations (as in effect on the date of enactment of this

paragraph); and

(ii) a finished s ize and shape shown in ANSI C78.21­1989, incorporated by

reference in section 430.22 of title 10, Code of Federal Regulations (as in

effect on the date of enactment of this paragraph).

**42 U**  **.S.C. 6291(56)(B)** 

The term “ER30” means an ER incandescent reflector lamp with a diameter of 30/8ths of

an inch.

**42 U**  **.S.C. 6291(56)(C)** 

The term “ER40” means an ER incandescent reflector lamp with a diameter of 40/8ths of

an inch.”

**42 U**  **.S.C. 6291(57)** 

**3A­6**The term “R20 incandescent reflector lamp” means a reflector lamp that has a face

diameter of approximately 2.5 inches, as shown in figure 1(R) on page 7 of ANSI C79.1­

1994.

3A.1.2.2 C ode of Federal Regulations Definitions in 10 CFR 430.2

Basic m odel means all units of a given type of covered product (or class thereof)

manufactured by one manufacturer and—

* * * * *

(16) W ith r espect to incandescent reflector lamps, means lamps that have essentially

identical light output and electrical characteristics

– including lumens per watt

–

and that do not have any differing physical or functional characteristics that affect

energy consumption or efficacy.

Design v oltage with respect to an incandescent lamp means: (1) T he v oltage marked as the intended operating voltage;

(2) T he m id­point of the voltage range if the lamp is marked with a voltage range; or (3) 1 20V i f the lamp is not marked with a voltage or voltage range.

Incandescent l amp means a lamp in which light is produced by a filament heated to

incandescence by an electric current, including only the following:

(1) A ny l amp (commonly referred to as lower wattage non­reflector general

service lamps, including any tungsten halogen lamp) that has a rated wattage

between 30 and 199, has an E26 medium screw base, has a rated voltage or voltage range that lies at least partially in the range of 115 and 130 volts, and

is not a reflector lamp.

(2) A ny i ncandescent reflector lamp.

(3) A ny g eneral service incandescent lamp (commonly referred to as a high­or

higher­wattage lamp) that has a rated wattage above 199 (above 205 for a high wattage reflector lamp).

Incandescent r eflector lamp (commonly referred to as a reflector lamp) means any lamp

in which light is produced by a filament heated to incandescence by an electric current,

which: is not colored or designed for rough or vibration service applications that

contains an inner reflective coating on the outer bulb to direct the light; has an R, PAR

or similar bulb shape (excluding ER or BR) with an E26 medium screw base; has a rated

voltage or voltage range that lies at least partially in the range of 115 and 130 volts; has

a diameter that exceeds 2.75 inches; and is either a low(er)­wattage reflector lamp that

has a rated wattage between 40 and 205; or a high(er)­wattage reflector lamp that has a

rated wattage above 205.

Rated v oltage with respect to incandescent lamps means: (1) T he d esign voltage if the design voltage is 115V, 130V or between 115V and

130V:

**3A­7**(2) 115V i f the design voltage is less than 115V and greater than or equal to 100V

and the lamp can operate at 115V; and

(3) 1 30V i f the design voltage is greater than 130 V and less than or equal to 150 V

and the lamp can operate at 130V.

Voltage r ange means a band of operating voltages as marked on an incandescent lamp,

indicating that the lamp is designed to operate at any voltage within the band.

3A.1.3 A ll Covered Lamps

**42 U**  **.S.C. 6291(30)(G)** 

The term “average lamp efficacy ” means t he l amp efficacy readings taken over a statistically significant period of manufacture with the readings averaged over that

period.

**42 U**  **.S.C. 6291(30)(H)** 

The term “base” means the portion of the lamp which connects with the socket as

described in ANSI C81.61­1990.

**42 U**  **.S.C. 6291(30)(J)** 

The term “c olor r endering index” or “ CRI” means the measure of the degree of color

shift objects undergo when illuminated by a light source as compared with the color of

those same objects when illuminated by a reference source of comparable color

temperature.

**42 U**  **.S.C. 6291(30)(K)** 

The term “c orrelated c olor temperature” means the a bsolute temperature of a blackbody

whose chromaticity most nearly resembles that of the light source.

**42 U**  **.S.C. 6291(30)(M)** 

The term “l amp e fficacy” means the l umen output of a lamp divided by its wattage,

expressed in lumens per watt (LPW).

**10 C**  **FR 430.2** 

Lamp Efficacy (LE) means the measured lumen output of a lamp in lumens divided by the

measured lamp electrical power input in watts expressed in units of lumens per watt

(LPW).

**42 U**  **.S.C. 6291(30)(N)** 

The term “ lamp t ype” means all l amps designated as having the same electrical and

lighting characteristics and made by one manufacturer.

**42 U**  **.S.C. 6291(30)(O)** 

**3A­8**The term “l amp w attage” means the t otal electrical power consumed by a lamp in watts,

after the initial seasoning period referenced in the appropriate IES standard test

procedure and including, for fluorescent, arc watts plus cathode watts.

**42 U**  **.S.C. 6291(30)(P)** 

The terms “l ife” a nd “lifetime” mean l ength of operating time of a statistically large

group of lamps between first use and failure of 50 percent of the group in accordance

with test procedures described in the IES Lighting Handbook­Reference Volume.

**42 U**  **.S.C. 6291(30)(Q)** 

The terms “l umen o utput” means total l uminous flux (power) of a lamp in lumens, as

measured in accordance with applicable IES standards as determined by the Secretary.

**3A­9**