---
kind: "section"
citation: "10 C.F.R. § 429.40"
title: "10"
number: "429.40"
heading: "Candelabra base incandescent lamps and intermediate base incandescent lamps."
url: "https://uscodex.org/cfr/10/429.40"
---

# §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](/cfr/10/429.11.md) 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:
- (b) **Certification reports.**
  - (1) The requirements of [§ 429.12](/cfr/10/429.12.md) are applicable to candelabra base and intermediate base incandescent lamps; and
  - (2) Pursuant to [§ 429.12(b)(13)](/cfr/10/429.12.md?p=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).

## Notes

### Amendments

[76 FR 12451, Mar. 7, 2011; 76 FR 24774, May 2, 2011]

### Authority

Authority: 42 U.S.C. 6291-6317; 28 U.S.C. 2461 note.

### Source

Source: 76 FR 12451, Mar. 7, 2011, unless otherwise noted.

### Amendments

[76 FR 12451, Mar. 7, 2011; 76 FR 24774, May 2, 2011]