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 J - Low- and Medium-Voltage Alternating Current Circuits
  7. 30 CFR § 77.902-3
30 CFR § 77.902-3
Attachment of ground conductors and ground check wires to equipment frames; use of separate connections
May 28, 2026
CFR

§ 77.902-3 Attachment of ground conductors and ground check wires to equipment frames; use of separate connections.

In grounding the frames of stationary, portable, or mobile equipment receiving power from resistance grounded systems, separate connections shall be used.

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§ 77.902-2 Approved ground check systems not employing pilot check wires
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§ 77.903 Disconnecting devices

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