30 CFR Subpart H - Subpart H—Grounding
- § 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.