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 § 77.810
30 CFR § 77.810
High-voltage equipment; grounding
May 28, 2026
CFR

§ 77.810 High-voltage equipment; grounding.

Frames, supporting structures, and enclosures of stationary, portable, or mobile high-voltage equipment shall be effectively grounded.

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§ 77.809 Identification of circuit breakers and disconnecting switches
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§ 77.811 Movement of portable substations and transformers

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