30 CFR 77.803
§ 77.803 Fail safe ground check circuits on high-voltage resistance grounded systems.
United States · 30 CFR — Mineral Resources · Status: effective
Cite this
- Citation
- 30 CFR 77.803, § 77.803 Fail safe ground check circuits on high-voltage resistance grounded systems, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/134100
- Permanent ID
ys:prov:134100@1- SHA-256
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Full text
On and after September 30, 1971, all high-voltage, resistance grounded systems shall include a fail safe ground check circuit or other no less effective device approved by the Secretary to monitor continuously the grounding circuit to assure continuity. The fail safe ground check circuit shall cause the circuit breaker to open when either the ground or ground check wire is broken.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.