['Specialized Industries']

['Mining']

07/19/2025

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§77.800 High-voltage circuits; circuit breakers.

...

§77.800 High-voltage circuits; circuit breakers.

RegSense CFR Regulations Mining Specialized Industries CFR Section English Focus Area USA

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.

['Specialized Industries']

['Mining']

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