Bare signal wires.

  1. Law
  2. CFR 30
  3. Mineral Resources
  4. Mine Safety and Health Administration, Department of Labor
  5. Metal and Nonmetal Mine Safety and Health
  6. Safety and Health Standards - Underground Metal and Nonmetal Mines
  7. Electricity
  8. Surface and Underground
  9. Bare signal wires.

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§ 57.12012 Bare signal wires.

The potential on bare signal wires accessible to contact by persons shall not exceed 48 volts.


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