Code of Federal Regulations (Last Updated: July 5, 2024) |
Title 30 - Mineral Resources |
Chapter I - Mine Safety and Health Administration, Department of Labor |
SubChapter O - Coal Mine Safety and Health |
Part 77 - Mandatory Safety Standards, Surface Coal Mines and Surface Work Areas of Underground Coal Mines |
Subpart H - Grounding |
§ 77.704-11 - Use of grounded messenger wires; ungrounded systems.
Latest version.
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§ 77.704-11 Use of grounded messenger wires; ungrounded systems.
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.