U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 10Chapter IIPart 431Subpart X - Subpart X—Small Electric Motors

TEST PROCEDURES
§ 431.443 - Materials incorporated by reference.
§ 431.444 - Test Procedures for the measurement of energy efficiency of small electric motors.
§ 431.445 - Determination of small electric motor efficiency.
§ 431.441 - Purpose and scope.
§ 431.442 - Definitions.

ENERGY CONSERVATION STANDARDS
§ 431.446 - Small electric motors energy conservation standards and their effective dates.
§ 431.447 - Department of Energy recognition of nationally recognized certification programs.
§ 431.448 - Procedures for recognition and withdrawal of recognition of certification programs.
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