---
kind: "section"
citation: "30 C.F.R. § 77.704"
title: "30"
number: "77.704"
heading: "Work on high-voltage lines; deenergizing and grounding."
url: "https://uscodex.org/cfr/30/77.704"
---

# §77.704. Work on high-voltage lines; deenergizing and grounding.


High-voltage lines shall be deenergized and grounded before work is performed on them, except that repairs may be permitted on energized high-voltage lines if (a) such repairs are made by a qualified person in accordance with procedures and safeguards set forth in [§§ 77.704-1 through 77.704-11](/cfr/30/77.704-1..77.704-11.md) of this Subpart H as applicable, and (b) the operator has tested and properly maintained the protective devices necessary in making such repairs.


## Notes

### Authority

Authority: 30 U.S.C. 811.

### Source

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