SUBPART J—Low- and Medium-Voltage Alternating Current Circuits (§77.900 to §77.906)
- 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.