(a) Sampling plan for selection of units for testing. (1) The requirements of § 429.11 are applicable to illuminated exit signs; and

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(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:

Or,

(B) The upper 95 percent confidence limit (UCL) of the true mean divided by 1.10, where:

and

(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:

Or,

(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 are applicable to illuminated exit signs; and

(2) Pursuant to § 429.12(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.

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