30 CFR 77.508 - Lightning arresters, ungrounded and exposed power conductors and telephone wires.

Regulations last checked for updates: Feb 09, 2026

Title 30 - Mineral Resources last revised: Jan 27, 2026

View all text of Subpart F [§ 77.500 - § 77.516]

§ 77.508 - Lightning arresters, ungrounded and exposed power conductors and telephone wires.

All ungrounded, exposed power conductors and telephone wires shall be equipped with suitable lightning arresters which are adequately installed and connected to a low resistance grounding medium.

authority: 30 U.S.C. 811.

source: 36 FR 9364, May 22, 1971, unless otherwise noted.

cite as: 30 CFR 77.508