Regulations last checked for updates: Feb 10, 2026

Title 30 - Mineral Resources last revised: Jan 27, 2026
All TitlesTitle 30Chapter IPart 77Subpart J - and Medium-Voltage Alternating Current Circuits
View all text of Subpart J [§ 77.900 - § 77.906]
§ 77.904 - Identification of circuit breakers.

Circuit breakers shall be labeled to show which circuits they control unless identification can be made readily by location.

authority: 30 U.S.C. 811.
source: 36 FR 9364, May 22, 1971, unless otherwise noted.
cite as: 30 CFR 77.904
© 2014 CustomsMobile | Disclaimer | Privacy | About