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 77 - Mandatory Safety Standards, Surface Coal Mines and Surface Work Areas of Underground Coal Mines
  6. Subpart I - Surface High-Voltage Distribution
  7. 30 CFR § 77.803-2
30 CFR § 77.803-2
Ground check systems not employing pilot check wires; approval by the Secretary
May 28, 2026
CFR

§ 77.803-2 Ground check systems not employing pilot check wires; approval by the Secretary.

Ground check systems not employing pilot check wires shall be approved by the Secretary only if it is determined that the system includes a fail safe design which will cause the circuit interrupter to open when ground continuity is broken.

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§ 77.803-1 Fail safe ground check circuits; maximum voltage
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§ 77.807-3 Movement of equipment; minimum distance from high-voltage lines

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