30 CFR 77.902-2 - Approved ground check systems not employing pilot check wires.

Regulations last checked for updates: Feb 10, 2026

Title 30 - Mineral Resources last revised: Jan 27, 2026

View all text of Subpart J [§ 77.900 - § 77.906]

§ 77.902-2 - Approved ground check systems not employing pilot check wires.

Ground check systems not employing pilot check wires shall be approved by the Secretary only after it has been determined that the system includes a fail safe design causing the circuit breaker to open when ground continuity is broken.

authority: 30 U.S.C. 811.

source: 36 FR 9364, May 22, 1971, unless otherwise noted.

cite as: 30 CFR 77.902-2