StacksVerified U.S. regulatory reference

10 CFR §429.40

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)Sampling plan for selection of units for testing.
    1. (1)The requirements of § 429.11 are applicable to candelabra base incandescent lamps; and
    2. (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:
      1. (i)The mean of the sample, where:
      2. (ii)The lower 97.5 percent confidence limit (LCL) of the true mean divided by 0.95, where:
  2. (b)Certification reports.
    1. (1)The requirements of § 429.12 are applicable to candelabra base and intermediate base incandescent lamps; and
    2. (2)Pursuant to § 429.12(b)(13), a certification report shall include the following public product-specific information:
      1. (i)Candelabra base incandescent lamp: The rated wattage in watts (W).
      2. (ii)Intermediate base incandescent lamp: The rated wattage in watts (W).