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 H - Grounding
  7. 30 CFR § 75.705-11
30 CFR § 75.705-11
Use of grounded messenger wires; ungrounded systems
July 29, 2020
CFR

Solely for purposes of grounding ungrounded high-voltage power systems, grounded messenger wires used to suspend the cables of such systems may be used as a grounding medium.

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§ 75.705-10 Tying into energized high-voltage surface circuits
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§ 75.706 Deenergized underground power circuits; idle days—idle shifts

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