Candelabra base incandescent lamps and intermediate base incandescent lamps.
CFR · 2024-01-01 · US · Title 10
(a) (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: (b) (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).
official document · source cfr-2024 · id 10:§ 429.40