Metal Halide Lamp Fixtures
The Department of Energy (DOE) has regulated the energy efficiency level of metal halide lamp fixtures since 2007. A metal halide lamp fixture uses a metal halide lamp and a metal halide lamp ballast. The lamp is the light source and the ballast starts and regulates current. Metal halide fixtures or lighting systems provide lighting for parking lots and streets, flood lighting, athletics facilities, big-box stores, and warehouses.
The current standards will save approximately 6.4 quads of energy and result in approximately $9.6 billion in energy bill savings for products shipped from 2009-2038. The standard will avoid about 93.6 million metric tons of carbon dioxide emissions.
The Standards and Test Procedures for this product are related to Rulemaking for Metal Halide Lamp Fixtures Energy Conservation Standard.
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DOE published a notice of public meeting announcing the availability of the preliminary analysis regarding an energy conservation standard for metal halide lamp fixtures. Federal Register, 76 FR 18127 (Apr. 1, 2011).
Standards for Metal Halide Lamp Fixtures
The following content summarizes the energy conservation standards for metal halide lamp fixtures. The text is not an official reproduction of the Code of Federal Regulations and should not be used for legal research or citation.
Current Standard
For the purpose of this regulation, metal halide lamp fixtures covered are defined in the Code of Federal Regulations at 10 CFR 431.322. These standards do not apply to:
- Metal halide lamp fixtures with regulated lag ballasts;
- Metal halide lamp fixtures that use electronic ballasts that operate at 480 volts; or
- Metal halide lamp fixtures that are rated only for 150 watt lamps; are rated for use in wet locations as specified by the National Fire Protection Association in National Fire Protection Association 70; and contain a ballast that is rated to operate at ambient air temperatures above 50°C, as specified in Underwriters Laboratory 1029.
Metal halide lamp fixtures manufactured and distributed in commerce, as defined by 42 U.S.C. 6291(16), on or after January 1, 2009, must meet the energy conservation standards specified in the Code of Federal Regulations, 10 CFR 431.326.
Lamps designed to be operated with lamps rated greater than or equal to 150 watts but less than or equal to 500 watts must contain:
- a pulse-start metal halide ballast with a minimum ballast efficiency of 88%,
- a magnetic probe-start ballast with a minimum ballast efficiency of 94%, or
- a nonpulse-start electronic ballast with either a minimum ballast efficiency of 92% for wattages greater than 250 watts; or a minimum ballast efficiency of 90% for wattages less than or equal to 250 watts.
For further guidance or to submit questions related to the implementation of this standard, visit the Guidance and Frequently Asked Questions page.
Current Test Procedure
To determine compliance with DOE standards, manufacturers must follow the test procedures specified at 10 CFR 431.324) for metal halide lamp fixtures manufactured or distributed into commerce on or after October 21, 2012.
- 2011 Final Rule for Certification for Metal Halide Lamp Ballasts and Fixtures, Federal Register, 76 FR 65362 (Oct. 21, 2011)
- Docket No. EERE-2011-BT-CE-0050 (extension of compliance date) contains notices, public comments, public meeting transcripts, and supporting documents.
- 2010 Final Rule for Test Procedure for Metal Halide Lamp Ballasts, Federal Register, 75 FR 10950 (March 9, 2010)
- Docket No. EE-EERE-2008-BT-TP-0017 (test procedure) contains notices, public comments, public meeting transcripts, and supporting documents.
For further guidance or to submit questions related to the implementation of this test procedure, visit the Guidance and Frequently Asked Questions page.
Waivers
No test procedure waivers have been issued for metal halide lamp fixtures.
For information about obtaining test procedure waivers, see 10 CFR part 431 subpart V.
Exceptions
DOE's Office of Hearings and Appeals has not authorized exception relief for metal halide ballasts and fixtures.
For information about obtaining exception relief, see 10 CFR part 1003.
State Exemptions to Federal Pre-emption
DOE has not exempted any state from this energy conservation standard. States may petition DOE to exempt a state regulation from preemption by the Federal energy conservation standard. States may also petition DOE to withdraw such exemptions. For details, see 10 CFR part 431, subpart W.
The current energy conservation standards for metal halide lamp fixtures are mandated by Part A, the "Energy Conservation Program for Consumer Products Other Than Automobiles" of Title III of the Energy Policy and Conservation Act of 1975 (EPCA), as amended. (42 U.S.C. 6291–6309) These appliances are all treated as "covered products" under Part A. (42 U.S.C. 6291(2), (62), (63), and (64)))
EISA 2007 amended EPCA to prescribe energy conservation standards for metal halide lamp fixtures. DOE incorporated these standards into the Code of Federal Regulations on March 23, 2009 and adopted test procedures on March 9, 2010.
Helpful Links and Contact Information
Helpful Links
Find tips and guidance for making your home, workplace, or vehicle more energy efficient visit EnergySavers.gov.
For more information related to the regulation of this product, please email:
metal_halide_lamp_fixtures@ee.doe.gov
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