Rated wattage

means the wattage marked on the lamp. With respect to 4‐foot medium bi‐ pin T8, T10, or T12 lamps, rated wattage means if the lamp is:

(1) with respect to fluorescent lamps and general service fluorescent lamps, if the lamp is:

(A) listed in ANSI C78.81 or ANSI C78.901-2014, the rated wattage of a lamp determined by the lamp designation of Clause 11.1 of ANSI C78.81 or ANSI C78.901-2014;

(B) a residential straight-shaped lamp, and not listed in ANSI C78.81, the wattage of a lamp when operated on a reference ballast for which the lamp is designed; or

(C) neither listed in one of the ANSI standards referenced in (1)(A) of this definition, nor a residential straight-shaped lamp, the electrical power of a lamp when measured according to the test procedures outlined in 10 C.F.R. Appendix R to subpart B of part 430.

(2) with respect to general service incandescent lamps and incandescent reflector lamps, the electrical power measured according to the test procedures outlined in 10 C.F.R. Appendix R to subpart B of part 430.

(3) 130V if the design voltage is greater than 130V and less than or equal to 150V and the lamp can operate at 130V.