30 C.F.R. § 56.12053 Circuits powered from trolley wires.
Title 30 - Mineral Resources
Ground wires for lighting circuits powered from trolley wires shall be connected securely to the ground-return circuit.
Title 30: Mineral Resources
PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES
Subpart K—Electricity
§ 56.12053 Circuits powered from trolley wires.
