10 CFR 429.40 - Candelabra base incandescent lamps and intermediate base incandescent lamps.
(a)Sampling plan for selection of units for testing.
(1) The requirements of § 429.11 are applicable to candelabra base incandescent lamps; and
(2) For each basic model of candelabra base incandescent lamp and intermediate base incandescent lamp, a minimum sample of 21 lamps shall be randomly selected and tested. Any represented value of lamp wattage of a basic model shall be based on the sample and shall be less than or equal to the lower of:
(i) The mean of the sample, where:
(ii) The lower 97.5 percent confidence limit (LCL) of the true mean divided by 0.95, where:
(1) The requirements of § 429.12 are applicable to candelabra base and intermediate base incandescent lamps; and
(2) Pursuant to § 429.12(b)(13), a certification report shall include the following public product-specific information:
(i) Candelabra base incandescent lamp: The rated wattage in watts (W).
(ii) Intermediate base incandescent lamp: The rated wattage in watts (W).