MSHA - Code of Federal Regulations - 30 CFR 77.800-2
Skip to content
MSHA - Title 30 CFR
30 CFR § 77.800-2
Testing, examination, and maintenance of circuit breakers; record.

The operator shall maintain a written record of each test, examination, repair, or adjustment of all circuit breakers protecting high-voltage circuits. Such record shall be kept in a book approved by the Secretary.