---
kind: "section"
citation: "30 C.F.R. § 77.508-1"
title: "30"
number: "77.508-1"
heading: "Lightning arresters; wires entering buildings."
url: "https://uscodex.org/cfr/30/77.508-1"
---

# §77.508-1. Lightning arresters; wires entering buildings.


Lightning arresters protecting exposed telephone wires entering buildings shall be provided at the point where each such telephone wire enters the building.


## Notes

### Authority

Authority: 30 U.S.C. 811.

### Source

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