30 CFR Subpart H
Grounding
July 29, 2020
§
75.700
Grounding metallic sheaths, armors, and conduits enclosing power conductors
§
75.700-1
Approved methods of grounding
§
75.701
Grounding metallic frames, casings, and other enclosures of electric equipment
§
75.701-1
Approved methods of grounding of equipment receiving power from ungrounded alternating current power systems
§
75.701-2
Approved method of grounding metallic frames, casings and other enclosures receiving power from single-phase 110-220-volt circuit
§
75.701-3
Approved methods of grounding metallic frames, casings and other enclosures of electric equipment receiving power from direct current power systems with one polarity grounded
§
75.701-4
Grounding wires; capacity of wires
§
75.701-5
Use of grounding connectors
§
75.702
Protection other than grounding
§
75.702-1
Protection other than grounding; approved by an authorized representative of the Secretary
§
75.703
Grounding offtrack direct-current machines and the enclosures of related detached components
§
75.703-1
Approved method of grounding
§
75.703-2
Approved grounding mediums
§
75.703-3
Approved methods of grounding offtrack mobile, portable and stationary direct-current machines
§
75.703-4
Other methods of protecting offtrack direct-current equipment; approved by an authorized representative of the Secretary
§
75.704
Grounding frames of stationary high-voltage equipment receiving power from ungrounded delta systems
§
75.704-1
Approved methods of grounding
§
75.705
Work on high-voltage lines; deenergizing and grounding
§
75.705-9
Operating disconnecting or cutout switches
§
75.705-1
Work on high-voltage lines
§
75.705-2
Repairs to energized surface high-voltage lines
§
75.705-3
Work on energized high-voltage surface lines; reporting
§
75.705-4
Simultaneous repairs
§
75.705-5
Installation of protective equipment
§
75.705-6
Protective clothing; use and inspection
§
75.705-7
Protective equipment; inspection
§
75.705-8
Protective equipment; testing and storage
§
75.705-10
Tying into energized high-voltage surface circuits
§
75.705-11
Use of grounded messenger wires; ungrounded systems
§
75.706
Deenergized underground power circuits; idle days—idle shifts
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