30 C.F.R. § 75.808 Disconnecting devices.
Title 30 - Mineral Resources
[Statutory Provisions] Disconnecting devices shall be installed at the beginning of branch lines in high-voltage circuits and equipped or designed in such a manner that it can be determined by visual observation that the circuit is deenergized when the switches are open.
Title 30: Mineral Resources
PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES
Subpart I—Underground High-Voltage Distribution
§ 75.808 Disconnecting devices.
