StacksVerified U.S. regulatory reference

10 CFR §431.193

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
The test procedure for measuring the energy efficiency of distribution transformers for purposes of EPCA is specified in appendix A to this subpart. The test procedure specified in appendix A to this subpart applies only to distribution transformers subject to energy conservation standards at § 431.196.