30 C.F.R. § 56.12048 Communication conductors on power poles.
Title 30 - Mineral Resources
Telegraph, telephone, or signal wires shall not be installed on the same crossarm with power conductors. When carried on poles supporting powerlines, they shall be installed as specified by the National Electrical Code.
Title 30: Mineral Resources
PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES
Subpart K—Electricity
§ 56.12048 Communication conductors on power poles.