---
kind: "section"
citation: "30 C.F.R. § 77.508"
title: "30"
number: "77.508"
heading: "Lightning arresters, ungrounded and exposed power conductors and telephone wires."
url: "https://uscodex.org/cfr/30/77.508"
---

# §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.


## Notes

### Authority

Authority: 30 U.S.C. 811.

### Source

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