30 CFR Subpart J
Low- and Medium-Voltage Alternating Current Circuits
July 29, 2020
§
77.900
Low- and medium-voltage circuits serving portable or mobile three-phase alternating current equipment; circuit breakers
§
77.900-1
Testing, examination, and maintenance of circuit breakers; procedures
§
77.900-2
Testing, examination, and maintenance of circuit breakers; record
§
77.901
Protection of low- and medium-voltage three-phase circuits
§
77.901-1
Grounding resistor; continuous current rating
§
77.902
Low- and medium-voltage ground check monitor circuits
§
77.902-1
Fail safe ground check circuits; maximum voltage
§
77.902-2
Approved ground check systems not employing pilot check wires
§
77.902-3
Attachment of ground conductors and ground check wires to equipment frames; use of separate connections
§
77.903
Disconnecting devices
§
77.904
Identification of circuit breakers
§
77.905
Connection of single-phase loads
§
77.906
Trailing cables supplying power to low-voltage mobile equipment; ground wires and ground check wires
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