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 10 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.

  • 2014-10-01; vol. 79 # 190 - Wednesday, October 1, 2014
    1. 79 FR 59090 - Energy Conservation Program for Certain Commercial and Industrial Equipment: Energy Conservation Standards for Walk-in Coolers and Freezers; Air-Conditioning, Heating, & Refrigeration Institute Petition for Reconsideration
      GPO FDSys XML | Text
      DEPARTMENT OF ENERGY, Office of Energy Efficiency and Renewable Energy
      Petition for reconsideration; agency response.
      This denial is effective on October 1, 2014.
      10 CFR Part 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.

  • 2014-10-01; vol. 79 # 190 - Wednesday, October 1, 2014
    1. 79 FR 59090 - Energy Conservation Program for Certain Commercial and Industrial Equipment: Energy Conservation Standards for Walk-in Coolers and Freezers; Air-Conditioning, Heating, & Refrigeration Institute Petition for Reconsideration
      GPO FDSys XML | Text
      DEPARTMENT OF ENERGY, Office of Energy Efficiency and Renewable Energy
      Petition for reconsideration; agency response.
      This denial is effective on October 1, 2014.
      10 CFR Part 431