30 C.F.R. § 57.12010 Isolation or insulation of communication conductors.
Title 30 - Mineral Resources
Telephone and low-potential signal wire shall be protected, by isolation or suitable insulation, or both, from contacting energized power conductors or any other power source.
Title 30: Mineral Resources
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart K—Electricity
Surface and Underground
§ 57.12010 Isolation or insulation of communication conductors.
