30 C.F.R. · Mineral Resources
30 C.F.R. § 77.803

Fail safe ground check circuits on high-voltage resistance grounded systems.

Title 30 C.F.R. ● ACTIVE Primary Source
Regulatory Text

30 C.F.R. § 77.803 — Fail safe ground check circuits on high-voltage resistance grounded systems.

§ 77.803 Fail safe ground check circuits on high-voltage resistance grounded systems. 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.

Source: ecfr.gov · govinfo.gov — public domain Official Source ↗
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BS-CFR30-SEC-C9AC4D
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REGULATION / FEDERAL-CFR-SECTION
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30 C.F.R. § 77.803
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PRIMARY-SOURCE
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The regulatory text of 30 C.F.R. § 77.803 is reproduced from the official Code of Federal Regulations as published by the Office of the Federal Register and the National Archives and Records Administration.
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boisestandard.org United States Law CFR Title 30 30 C.F.R. § 77.803