Approved ground check systems not employing pilot check wires.

  1. Law
  2. CFR 30
  3. Mineral Resources
  4. Mine Safety and Health Administration, Department of Labor
  5. Coal Mine Safety and Health
  6. Mandatory Safety Standards - Underground Coal Mines
  7. Underground Low- and Medium-Voltage Alternating Current Circuits
  8. Approved ground check systems not employing pilot check wires.

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§ 75.902-2 Approved ground check systems not employing pilot check wires.

Ground check systems not employing pilot check wires will be approved only if it is determined that the system includes a fail safe design causing the circuit breaker to open when ground continuity is broken.


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