30 C.F.R. § 77.1801 Overcurrent protection.
Title 30 - Mineral Resources
Trolley wires and trolley feeder wires shall be provided with overcurrent protection.
Title 30: Mineral Resources
PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES
Subpart S—Trolley Wires and Trolley Feeder Wires
§ 77.1801 Overcurrent protection.
