---
kind: "section"
citation: "10 C.F.R. § 429.48"
title: "10"
number: "429.48"
heading: "Illuminated exit signs."
url: "https://uscodex.org/cfr/10/429.48"
---

# §429.48. Illuminated exit signs.

- (a) **Sampling plan for selection of units for testing.**
  - (1) The requirements of [§ 429.11](/cfr/10/429.11.md) are applicable to illuminated exit signs; and
  - (2) For each basic model of illuminated exit sign selected for testing, a sample of sufficient size shall be randomly selected and tested to ensure that—
    - (i) Any represented value of input power demand or other measure of energy consumption of a basic model for which consumers would favor lower values shall be greater than or equal to the higher of:
      - (A) **The mean of the sample, where—**
      - (B) The upper 95 percent confidence limit (UCL) of the true mean divided by 1.10, where:
    - (ii) Any represented value of the energy efficiency or other measure of energy consumption of a basic model for which consumers would favor higher values shall be less than or equal to the lower of:
      - (A) **The mean of the sample, where—**
      - (B) The lower 95 percent confidence limit (LCL) of the true mean divided by 0.90, where:
- (b) **Certification reports.**
  - (1) The requirements of [§ 429.12](/cfr/10/429.12.md) are applicable to illuminated exit signs; 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: The input power demand in watts (W) and the number of faces.

## Notes

### Amendments

[76 FR 12451, Mar. 7, 2011; 76 FR 24778, 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 24778, May 2, 2011]