30 CFR § 77.809 Mandatory Safety Standards, Surface Coal Mines and Surface Work Areas of Underground Coal Mines

§ 77.809 Identification of circuit breakers and disconnecting switches.

Current through Jul 27, 2026 · Read all of Part 77

Circuit breakers and disconnecting switches shall be labeled to show which units they control, unless identification can be made readily by location.

← § 77.808 Disconnecting devices.§ 77.810 High-voltage equipment; grounding. →