['Specialized Industries']

['Mining']

04/14/2026

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Specialized Industries - Mining

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

RegSense CFR Regulations Mining Specialized Industries CFR Section English Focus Area USA

(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.

[64 FR 43287 Aug. 10, 1999]

['Specialized Industries']

['Mining']

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