1. LawStack
  2. Title 30 - Mineral Resources
  3. Chapter I - MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
  4. Subchapter O - COAL MINE SAFETY AND HEALTH
  5. Part 75 - MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES
  6. Subpart I - Underground High-Voltage Distribution
  7. 30 CFR § 75.803-2
30 CFR § 75.803-2
Ground check systems not employing pilot check wires; approval by the Secretary
July 29, 2020
CFR

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.

Previous
§ 75.803-1 Maximum voltage ground check circuits
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§ 75.804 Underground high-voltage cables

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