Title 30
SECTION 77.902-2
77.902-2 Approved ground check systems not employing pilot check wires.
§ 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.