View all text of Subpart C [§ 183.310 - § 183.392]

§ 183.378 - Ungrounded systems.

Each ungrounded system must be provided with a suitably sensitive ground detection system located at the respective switchboard that provides continuous indication of circuit status to ground with a provision to momentarily remove the indicating device from the reference ground.

[CGD 85–080, 62 FR 51358, Sept. 30, 1997]