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Electronic Code of Federal Regulations

e-CFR data is current as of February 20, 2020

Title 10Chapter IISubchapter DPart 429Subpart B → §429.54


Title 10: Energy
PART 429—CERTIFICATION, COMPLIANCE, AND ENFORCEMENT FOR CONSUMER PRODUCTS AND COMMERCIAL AND INDUSTRIAL EQUIPMENT
Subpart B—Certification


§429.54   Metal halide lamp ballasts and fixtures.

(a) Sampling plan for selection of units for testing. (1) The requirements of §429.11 are applicable to metal halide lamp ballasts; and

(2) For each basic model of metal halide lamp ballast selected for testing, a sample of sufficient size, not less than four, shall be selected at random and tested to ensure that:

(i) Any represented value of estimated energy efficiency calculated as the measured output power to the lamp divided by the measured input power to the ballast (Pout/Pin), of a basic model is less than or equal to the lower of:

(A) The mean of the sample, where:

eCFR graphic er07mr11.130.gif

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Or,

(B) The lower 99-percent confidence limit (LCL) of the true mean divided by 0.99.

eCFR graphic er02au11.090.gif

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And x̅ is the sample mean; s is the sample standard deviation; n is the number of samples; and t0.99 is the t statistic for a 99% two-tailed confidence interval with n-1 degrees of freedom (from appendix A).

(b) Certification reports. (1) The requirements of §429.12 are applicable to metal halide lamp ballasts; and

(2) Pursuant to §429.12(b)(13), a certification report shall include the following public product-specific information: The minimum ballast efficiency in percent (%), the lamp wattage in watts (W), and the type of ballast (e.g., pulse-start, magnetic probe-start, and non-pulse start electronic).

[76 FR 12451, Mar. 7, 2011; 76 FR 24780, May 2, 2011; 76 FR 46202, Aug. 2, 2011]

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