Section 305.5 - Description of lighting products(a)Fluorescent lamp ballast means a device which is used to start and operate fluorescent lamps by providing a starting voltage and current and limiting the current during normal operation.(b)Fluorescent lamp means: (1) A low pressure mercury electric-discharge source in which a fluorescing coating transforms some of the ultra-violet energy generated by the mercury discharge into light, including only the following:(i) Any straight-shaped lamp (commonly referred to as 4-foot medium bi-pin lamps) with medium bi-pin bases of nominal overall length of 48 inches and rated wattage of 28 or more;(ii) Any U-shaped lamp (commonly referred to as 2-foot U-shaped lamps) with medium bi-pin bases of nominal overall length between 22 and 25 inches and rated wattage of 28 or more;(iii) Any rapid start lamp as defined at 42 U.S.C. 6291(30)(A)(iii) ; and(iv) Any instant start lamp as defined at 42 U.S.C. 6291(30)(A)(iv) ; but(2)Fluorescent lamp does not mean any lamp excluded by the Department of Energy, by rule, as a result of a determination that standards for such lamp would not result in significant energy savings because such lamp is designed for special applications or has special characteristics not available in reasonably substitutable lamp types; and(3)General service fluorescent lamp means a fluorescent lamp which can be used to satisfy the majority of fluorescent applications, but does not mean any lamp designed and marketed for the following nongeneral lighting applications: (i) Fluorescent lamps designed to promote plant growth;(ii) Fluorescent lamps specifically designed for cold temperature installations;(iii) Colored fluorescent lamps;(iv) Impact-resistant fluorescent lamps;(v) Reflectorized or aperture lamps;(vi) Fluorescent lamps designed for use in reprographic equipment;(vii) Lamps primarily designed to produce radiation in the ultra-violet region of the spectrum; and(viii) Lamps with a color rendering index of 82 or greater.(c)General service lamp means:(1) A lamp that is: (i) A medium base compact fluorescent lamp;(ii) A general service incandescent lamp;(iii) A general service light-emitting diode (LED or OLED) lamp; or(iv) Any other lamp that the Secretary of Energy determines is used to satisfy lighting applications traditionally served by general service incandescent lamps.(2) Exclusions: The term general service lamp does not include-(i) Any lighting application or bulb shape described in paragraphs (e)(3)(ii)(A) through (T) of this section; and(ii) Any general service fluorescent lamp.(d)Medium base compact fluorescent lamp means an integrally ballasted fluorescent lamp with a medium screw base, a rated input voltage range of 115 to 130 volts and which is designed as a direct replacement for a general service incandescent lamp; however, the term does not include- (1) Any lamp that is: (i) Specifically designed to be used for special purpose applications; and(ii) Unlikely to be used in general purpose applications, such as the applications described in the definition of "General Service Incandescent Lamp" in paragraph (e)(3)(ii) of this section; or(2) Any lamp not described in the definition of "General Service Incandescent Lamp" in this section and that is excluded by the Department of Energy, by rule, because the lamp is-(i) Designed for special applications; and(ii) Unlikely to be used in general purpose applications.(e)Incandescent lamp means: (1) A lamp in which light is produced by a filament heated to incandescence by an electric current, including only the following:(i) Any lamp (commonly referred to as lower wattage nonreflector general service lamps, including any tungsten halogen 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) Any lamp (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) Any general service incandescent lamp (commonly referred to as a high- or higher-wattage lamp) that has a rated wattage above 199 watts (above 205 watts for a high wattage reflector lamp); but(2)Incandescent lamp does not mean any lamp excluded by the Secretary of Energy, by rule, as a result of a determination that standards for such lamp would not result in significant energy savings because such lamp is designed for special applications or has special characteristics not available in reasonably substitutable lamp types;(3)General service incandescent lamp means:(i) In general, a standard incandescent, halogen, or reflector type lamp that- (A) Is intended for general service applications;(B) Has a medium screw base;(C) Has a lumen range of not less than 310 lumens and not more than 2,600 lumens; and(D) Is capable of being operated at a voltage range at least partially within 110 and 130 volts.(ii) Exclusions. The term "general service incandescent lamp" does not include the following incandescent lamps: (A) An appliance lamp as defined at 42 U.S.C. 6291(30) ;(D) A colored lamp as defined at 42 U.S.C. 6291(30) ;(F) A left hand thread lamp;(H) A marine signal service lamp;(K) A rough service lamp as defined at 42 U.S.C. 6291(30) ;(L) A shatter resistant lamp (including a shatter-proof lamp and a shatter-protected lamp);(P) A traffic signal lamp;(Q) A vibration service lamp as defined at 42 U.S.C. 6291(30) ;(R) A G shape lamp as defined at 42 U.S.C. 6291(30)(D)(ii)(XX) ;(S) A T shape lamp as defined at 42 U.S.C. 6291(30)(D)(ii)(XXI) ; or(T) A B, BA, CA, F, G16-1/2, G-25, G-30, S, or M-14 lamp as defined at 42 U.S.C. 6291(30)(D)(ii) (XXII).(4)Incandescent reflector lamp means a lamp described in paragraph (e)(1)(ii) of this section; and(5)Tungsten halogen lamp means a gas filled tungsten filament incandescent lamp containing a certain proportion of halogens in an inert gas.(f)Light emitting diode (LED) means a p-n junction solid state device the radiated output of which is a function of the physical construction, material used, and exciting current of the device. The output of a light emitting diode may be in- (2) The visible region; or(3) The ultraviolet region.(g)Organic light emitting diode (OLED) means a thin-film light-emitting device that typically consists of a series of organic layers between 2 electrical contacts (electrodes).(h)General service light-emitting diode (LED or OLED) lamp means any light emitting diode (LED or OLED) lamp that:(1) Is a consumer product;(2) Is intended for general service applications;(3) Has a medium screw base;(4) Has a lumen range of not less than 310 lumens and not more than 2,600 lumens; and(5) Is capable of being operated at a voltage range at least partially within 110 and 130 volts.(i)Metal halide lamp fixture means a light fixture for general lighting application that is designed to be operated with a metal halide lamp and a ballast for a metal halide lamp and that is subject to and complies with Department of Energy efficiency standards issued pursuant to 42 U.S.C. 6295 .(1)Metal halide ballast means a ballast used to start and operate metal halide lamps.(2)Metal halide lamp means a high intensity discharge lamp in which the major portion of the light is produced by radiation of metal halides and their products of dissociation, possibly in combination with metallic vapors.(j)Specialty consumer lamp means: (1) Any lamp that: (i) Is not included under the definition of general service lamp in this part;(ii) Has a lumen range between 310 lumens and no more than 2,600 lumens or a rated wattage between 30 and 199;(iii) Has one of the following bases: (B) A candelabra screw base;(iv) Is capable of being operated at a voltage range at least partially within 110 and 130 volts.(2) Inclusions: The term specialty consumer lamp includes, but is not limited to, the following lamps if such lamps meet the conditions listed in paragraph (1): (i) Vibration-service lamps as defined at 42 U.S.C. 6291(30)(AA) ;(ii) Rough service lamps as defined at 42 U.S.C. 6291(30)(X) ;(iii) Appliance lamps as defined at 42 U.S.C. 6291(30)(T) ; and(iv) Shatter resistant lamps (including a shatter proof lamp and a shatter protected lamp) as defined in 42 U.S.C. 6291(30)(Z) .(3) Exclusions: The term specialty consumer lamp does not include:(v) A left-hand thread lamp;(vii) A marine signal service lamp;(viii) A mine service lamp;(ix) A sign service lamp;(xii) A traffic signal lamp;(xiii) A G-shape lamp with diameter of 5 inches or more;(xiv) A C7, M-14, P, RP, S, or T shape lamp;(xv) A intermediate screw-base lamp; and(xvi) A plant light lamp. 84 FR 58030 , Oct. 30, 2019 83 FR 7596 , 5/23/2018; 84 FR 58030 , 11/29/2019