---
kind: "section"
citation: "30 C.F.R. § 18.92"
title: "30"
number: "18.92"
heading: "Quality of material and design."
url: "https://uscodex.org/cfr/30/18.92"
---

# §18.92. Quality of material and design.

- (a) Electrically operated machinery approved under the provisions of this subpart E shall be rugged in construction and shall be designed to facilitate maintenance and inspection.
- (b) MSHA shall conduct field investigations and, where necessary, field test electric machinery only where such machinery is found to be constructed of suitable materials and safe for its intended use.

## 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.