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Federal Register / Vol. 86, No. 203 / Monday, October 25, 2021 / Rules and Regulations
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TABLE II.1CURRENT ENERGY CONSERVATION STANDARDS FOR MHLFS
Designed to be operated with lamps of the following rated lamp wattage
Tested input voltage

Minimum standard equation
%

50W and 100W
50W and 100W
>100W and <150W
>100W and <150W
150W and 250W
150W and 250W

480 V
All others
480 V
All others
480 V
All others

>250W and 500W

480 V

>250W and 500W
>500W and 1,000W

All others
480 V

>500W and 1,000W

All others

1 / 1 + 1.24 P0.3510.020.
1 / 1 + 1.24 P0.351.
1 / 1 + 1.24 P0.3510.020.
1 / 1 + 1.24 P0.351.
0.880.
For 150W and 200W: 0.880.
For >200W and 250W: 1 / 1 + 0.876 P0.351.
For >250W and <265W: 0.880.
For 265W and 500W: 1 / 1 + 0.876 P0.3510.010.
1 / 1 + 0.876 P0.351.
>500W and 750W: 0.900.
>750W and 1,000W: 0.000104 P + 0.822.
For >500W and 1,000W: may not utilize a probe-start ballast.
For >500W and 750W: 0.910.
For >750W and 1,000W: 0.000104 P + 0.832.
For >500W and 1,000W: may not utilize a probe-start ballast.

Tested input voltage is specified in 10 CFR 431.324.
P is defined as the rated wattage of the lamp the fixture is designed to operate.
Includes 150 watt W fixtures specified in paragraph b3 of 10 CFR 431.326, that are fixtures rated only for 150W lamps; rated for use in wet locations, as specified by the National Fire Protection Association NFPA 70, section 410.4A; and containing a ballast that is rated to operate at ambient air temperatures above 50 C, as specified by Underwriters Laboratory UL 1029.
Excludes 150W fixtures specified in paragraph b3 of 10 CFR 431.326, that are fixtures rated only for 150W lamps; rated for use in wet locations, as specified by the NFPA 70, section 410.4A; and containing a ballast that is rated to operate at ambient air temperatures above 50 C, as specified by UL 1029.

2. History of Standards Rulemaking for MHLFs As described in section II.A, EPCA, as amended by Public Law 110140, EISA
2007, prescribed energy conservation standards for MHLFs. 42 U.S.C.
6295hh1 EPCA directed DOE to conduct two rulemaking cycles to determine whether to amend these standards. 42 U.S.C. 6295hh2A and 3A DOE completed the first of these rulemaking cycles in 2014 by adopting
amended performance standards for MHLFs manufactured on or after February 10, 2017. 79 FR 7746. The current energy conservation standards are located in 10 CFR part 431. See 10
CFR 431.326 detailing the applicable energy conservation standards for different classes of MHLFs. The currently applicable DOE test procedures for MHLFs appear at 10 CFR
431.324. Under 42 U.S.C.
6295hh3A, the agency is instructed to conduct a second review of its energy
conservation standards for MHLFs and publish a final rule to determine whether to amend those standards. DOE
initiated the second MHLF standards rulemaking by publishing the July 2019
RFI and subsequently, DOE published the August 2020 NOPD to support this rulemaking requirement. 84 FR 31232;
85 FR 47472.
DOE received five comments in response to the August 2020 NOPD from the interested parties listed in Table II.2

TABLE II.2AUGUST 2020 NOPD WRITTEN COMMENTS
Reference in this final determination
Commenters National Electrical Manufacturers Association
Signify
California Investor-Owned Utilities Pacific Gas and Electric Company PG&E, San Diego Gas and Electric SDG&E, and Southern California Edison SCE.
Anonymous

Commenter type
NEMA
Signify
CA IOUs

Trade Association.
Manufacturer.
Utility Association.

Anonymous

Private Citizen.

Submitted two separate comments.

jspears on DSK121TN23PROD with RULES1

A parenthetical reference at the end of a comment quotation or paraphrase provides the location of the item in the public record.4

4 The parenthetical reference provides a reference for information located in the docket of DOEs rulemaking to develop energy conservation standards for MHLFs. Docket No. EERE2017BT
STD00160007, which is maintained at www.regulations.gov. The references are arranged as follows: commenter name, comment docket ID
number at page of that document.

VerDate Sep<11>2014

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III. General Discussion DOE developed this final determination after considering oral and written comments, data, and information from interested parties that represent a variety of interests.
A. Product Classes and Scope of Coverage When evaluating and establishing energy conservation standards, DOE
divides covered products into product classes by the type of energy used or by
PO 00000

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capacity or other performance-related features that justify differing standards.
In making a determination whether a performance-related feature justifies a different standard, DOE must consider such factors as the utility of the feature to the consumer and other factors DOE
determines are appropriate. 42 U.S.C.
6295q This final determination covers metal halide lamp fixtures defined as light fixtures for general lighting application designed to be operated with a metal halide lamp and a ballast
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