Subpart J - Underground Low- and Medium-Voltage Alternating Current Circuits  


§ 75.900-1 - Circuit breakers; location.
§ 75.900-2 - Approved circuit schemes.
§ 75.900-3 - Testing, examination, and maintenance of circuit breakers; procedures.
§ 75.900-4 - Testing, examination, and maintenance of circuit breakers; record.
§ 75.900 - Low- and medium-voltage circuits serving three-phase alternating current equipment; circuit breakers.
§ 75.901 - Protection of low- and medium-voltage three-phase circuits used underground.
§ 75.902 - Low- and medium-voltage ground check monitor circuits.
§ 75.903 - Disconnecting devices.
§ 75.904 - Identification of circuit breakers.
§ 75.905 - Connection of single-phase loads.
§ 75.906 - Trailing cables for mobile equipment, ground wires, and ground check wires.
§ 75.907 - Design of trailing cables for medium-voltage circuits.
Appendix A to Subpart J
Appendix A to Subpart J of Part 75
§ 75.902-1 - Maximum voltage ground check circuits.
§ 75.902-2 - Approved ground check systems not employing pilot check wires.
§ 75.902-4 - Attachment of ground conductors and ground check wires to equipment frames; use of separate connections.