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Surface High-Voltage Distribution | Midpage
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Code of Federal Regulations
Title 30
Chapter I
Subchapter O
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.