10 CFR Part 431, Subpart B, Appendix B to Subpart B of Part 431 - Uniform Test Method for Measuring Nominal Full Load Efficiency of Electric Motors

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There are 9 Updates appearing in the Federal Register for 10 CFR 431. View below or at eCFR (GPOAccess)
View PDF at GPO Pt. 431, Subpt. B, App. B
Appendix B to Subpart B of Part 431—Uniform Test Method for Measuring Nominal Full Load Efficiency of Electric Motors
1. Definitions.
Definitions contained in §§ 431.2 and 431.12 are applicable to this appendix.
2. Test Procedures.
Efficiency and losses shall be determined in accordance with NEMA MG1-2009, paragraph 12.58.1, “Determination of Motor Efficiency and Losses,” (incorporated by reference, see § 431.15) and either:
(1) CSA C390-10, (incorporated by reference, see § 431.15), or
(2) IEEE Std 112-2004 Test Method B, Input-Output With Loss Segregation, (incorporated by reference, see § 431.15).
3. Amendments to test procedures.
Any revision to IEEE Std 112-2004 Test Method B, NEMA MG1-2009, or CSA C390-10, (incorporated by reference, see § 431.15) shall not be effective for purposes of certification and compliance testing unless and until this appendix and 10 CFR Part 431 are amended to incorporate that revision.
[77 FR 26638, May 4, 2012]

Title 10 published on 2014-01-01

The following are only the Rules published in the Federal Register after the published date of Title 10.

For a complete list of all Rules, Proposed Rules, and Notices view the Rulemaking tab.

  • 2014-07-11; vol. 79 # 133 - Friday, July 11, 2014
    1. 79 FR 40542 - Energy Conservation Program for Consumer Products and Certain Commercial and Industrial Equipment: Test Procedures for Residential and Commercial Water Heaters
      GPO FDSys XML | Text
      DEPARTMENT OF ENERGY, Office of Energy Efficiency and Renewable Energy
      Final rule.
      The effective date of this rule is July 13, 2015. Compliance will be mandatory starting one year after the publication in the Federal Register of a mathematical conversion factor to convert from the existing efficiency ratings to efficiency ratings under the test procedure adopted by this final rule, or December 31, 2015, whichever is later. The incorporation by reference of certain publications listed in this rule is approved by the Director of the Federal Register as of July 13, 2015. Other publications referenced were approved on March 23, 2009, and May 16, 2012.
      10 CFR Parts 429, 430, and 431

Title 10 published on 2014-01-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 10 CFR 431 after this date.

  • 2014-08-05; vol. 79 # 150 - Tuesday, August 5, 2014
    1. 79 FR 45377 - Energy Conservation Program for Certain Commercial and Industrial Equipment: Gas Compressors; Request for Information
      GPO FDSys XML | Text
      DEPARTMENT OF ENERGY, Office of Energy Efficiency and Renewable Energy
      Request for information (RFI).
      DOE will accept written comments, data, and information on this notice, but no later than September 4, 2014.
      10 CFR Part 431