SUBPART H—Grounding (§75.700 to §75.706)
- 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.
- 75.705-1—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.
- 75.705-9—Operating disconnecting or cutout switches.
- 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.