30 C.F.R. § 57.12012 Bare signal wires.
Title 30 - Mineral Resources
The potential on bare signal wires accessible to contact by persons shall not exceed 48 volts.
Title 30: Mineral Resources
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart K—Electricity
Surface and Underground
§ 57.12012 Bare signal wires.
