30 C.F.R. § 75.705-11 Use of grounded messenger wires; ungrounded systems.
Title 30 - Mineral Resources
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.
Title 30: Mineral Resources
PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES
Subpart H—Grounding
§ 75.705-11 Use of grounded messenger wires; ungrounded systems.
