---
kind: "section"
citation: "30 C.F.R. § 18.91"
title: "30"
number: "18.91"
heading: "Electric equipment for which field approvals will be issued."
url: "https://uscodex.org/cfr/30/18.91"
---

# §18.91. Electric equipment for which field approvals will be issued.

- (a) Individual field approvals will be issued by MSHA under the provisions of this subpart E for electrically operated machines commercially built, or constructed, by the owner-coal mine operator of such machines including any associated electrical equipment, electrical components, and electrical accessories.
- (b) Approvals will not be issued under the provisions of this subpart E for electrically operated mining equipment manufactured or rebuilt primarily for sale or resale to any operator of a coal mine, or for small electrically operated equipment which consumes less than 2,250 watts of electricity, or for instruments and other small devices which employ electric power.

## Notes

### Source

Source: 36 FR 7007, Apr. 13, 1971, unless otherwise noted.

### Authority

Authority: 30 U.S.C. 957, 961.

### Source

Source: 33 FR 4660, Mar. 19, 1968, unless otherwise noted.