---
kind: "section"
citation: "30 C.F.R. § 77.903"
title: "30"
number: "77.903"
heading: "Disconnecting devices."
url: "https://uscodex.org/cfr/30/77.903"
---

# §77.903. Disconnecting devices.


Disconnecting devices shall be installed in circuits supplying power to portable or mobile equipment and shall provide visual evidence that the power is disconnected.


## Notes

### Authority

Authority: 30 U.S.C. 811.

### Source

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