30 C.F.R. § 75.903 Disconnecting devices.
Title 30 - Mineral Resources
[Statutory Provisions] Disconnecting devices shall be installed in conjunction with the circuit breaker to provide visual evidence that the power is disconnected.
Title 30: Mineral Resources
PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES
Subpart J—Underground Low- and Medium-Voltage Alternating Current Circuits
§ 75.903 Disconnecting devices.
