30 CFR 77.506-1 - Electric equipment and circuits; overload and short circuit protection; minimum requirements.

Regulations last checked for updates: Feb 07, 2026

Title 30 - Mineral Resources last revised: Jan 27, 2026

View all text of Subpart F [§ 77.500 - § 77.516]

§ 77.506-1 - Electric equipment and circuits; overload and short circuit protection; minimum requirements.

Devices providing either short circuit protection or protection against overload shall conform to the minimum requirements for protection of electric circuits and equipment of the National Electric Code, 1968.

authority: 30 U.S.C. 811.

source: 36 FR 9364, May 22, 1971, unless otherwise noted.

cite as: 30 CFR 77.506-1