[Statutory Provisions]
When not in use, power circuits underground shall be deenergized on idle days and idle shifts, except that rectifiers and transformers may remain energized.
30 C.F.R. §75.706
[Statutory Provisions]
When not in use, power circuits underground shall be deenergized on idle days and idle shifts, except that rectifiers and transformers may remain energized.
30 C.F.R. §75.706