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Test Procedures for Electric Motors Test Under 10 CFR Part 431



Ken L. Stricklett, M Vangel


The procedures for electric motor efficiency testing promulgated by Part 431 of Chapter II of Title 10, Code of Federal Regulations are discussed. The operating characteristics of the sampling plans for certification and enforcement testing are presented together with examples of the application of the sampling plans. The criteria for substantiation of an Alternative Energy Determination Method (AEDM) are also discussed.
Technical Note (NIST TN) - 1432
Report Number


electric motor efficiency, electric motor testing, energy policy, operating characteristics, sampling plan


Stricklett, K. and Vangel, M. (2002), Test Procedures for Electric Motors Test Under 10 CFR Part 431, Technical Note (NIST TN), National Institute of Standards and Technology, Gaithersburg, MD, [online],, (Accessed April 15, 2024)
Created September 2, 2002, Updated October 12, 2021