SUBPART I—Surface High-Voltage Distribution (§77.800 to §77.811)
- 77.800—High-voltage circuits; circuit breakers.
- 77.800-1—Testing, examination, and maintenance of circuit breakers; procedures.
- 77.800-2—Testing, examination, and maintenance of circuit breakers; record.
- 77.801—Grounding resistors.
- 77.801-1—Grounding resistors; continuous current rating.
- 77.802—Protection of high-voltage circuits; neutral grounding resistors; disconnecting devices.
- 77.803—Fail safe ground check circuits on high-voltage resistance grounded systems.
- 77.803-1—Fail safe ground check circuits; maximum voltage.
- 77.803-2—Ground check systems not employing pilot check wires; approval by the Secretary.
- 77.804—High-voltage trailing cables; minimum design requirements.
- 77.805—Cable couplers and connection boxes; minimum design requirements.
- 77.806—Connection of single-phase loads.
- 77.807—Installation of high-voltage transmission cables.
- 77.807-1—High-voltage powerlines; clearances above ground.
- 77.807-2—Booms and masts; minimum distance from high-voltage lines.
- 77.807-3—Movement of equipment; minimum distance from high-voltage lines.
- 77.808—Disconnecting devices.
- 77.809—Identification of circuit breakers and disconnecting switches.
- 77.810—High-voltage equipment; grounding.
- 77.811—Movement of portable substations and transformers.