---
kind: "section"
citation: "30 C.F.R. § 75.800-4"
title: "30"
number: "75.800-4"
heading: "Testing, examination, and maintenance of circuit breakers; record."
url: "https://uscodex.org/cfr/30/75.800-4"
---

# §75.800-4. Testing, examination, and maintenance of circuit breakers; record.

- (a) **Recordkeeping.** The operator shall make a record of each test, examination, repair, or adjustment of all circuit breakers protecting high-voltage circuits which enter any underground area of the mine.
- (b) **Record security.** These records shall be made in a secure book that is not susceptible to alteration or electronically in a computer system so as to be secure and not susceptible to alteration.
- (c) **Retention and access.** These records shall be retained at a surface location at the mine for at least one year and shall be made available to authorized representatives of the Secretary, the representative of miners, and other interested persons.

## Notes

### Amendments

[64 FR 43287, Aug. 10, 1999]

### Authority

Authority: 30 U.S.C. 811, 813(h), 957.

### Source

Source: 35 FR 17890, Nov. 20, 1970, unless otherwise noted.

### Amendments

[64 FR 43287, Aug. 10, 1999]