1. LawStack
  2. Title 30 - Mineral Resources
  3. Chapter I - MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
  4. Subchapter K - METAL AND NONMETAL MINE SAFETY AND HEALTH
  5. Part 57 - SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
  6. Subpart K - Electricity
  7. Topic - Surface and Underground
  8. 30 CFR § 57.12053
30 CFR § 57.12053
Circuits powered from trolley wires
July 29, 2020
CFR

Ground wires for lighting circuits powered from trolley wires shall be connected securely to the ground return circuit.

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§ 57.12050 Installation of trolley wires

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