30 CFR Part 77, Subpart I - Surface High-Voltage Distribution
- § 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.