C.F.R. » Title 30 » CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR › SUBCHAPTER O—COAL MINE SAFETY AND HEALTH › PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES › Subpart I—Surface High-Voltage Distribution

30 C.F.R. § 77.800

High-voltage circuits; circuit breakers

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High-voltage circuits supplying power to portable or mobile equipment shall be protected by suitable circuit breakers of adequate interrupting capacity which are properly tested and maintained and equipped with devices to provide protection against under voltage, grounded phase, short circuit and overcurrent. High-voltage circuits supplying power to stationary equipment shall be protected against overloads by either a circuit breaker or fuses of the correct type and capacity.

Notes of Decisions
Cited in 1 case, 1993–1993 · leading case: United States of Am., Cross-Appellee v. Arvil Lake, Cross-Appellant, 985 F.2d 265 (6th Cir. 1993).
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United States of Am., Cross-Appellee v. Arvil Lake, Cross-Appellant, 985 F.2d 265 (6th Cir. 1993). “§ 842 (a)); (4) failed to provide a "high voltage fused disconnect” on the high voltage power line being used at the mine ( 30 C.F.R. § 77.800 ); (5) removed the frame grounds from the two battery chargers and from the 200-amp circuit breaker box supplying power to the mine fan…”
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