Subpart J. and Medium-Voltage Alternating Current Circuits
- § 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.