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Code of Federal Regulations (Last Updated: October 10, 2024) |
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Title 30 - Mineral Resources |
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Chapter I - Mine Safety and Health Administration, Department of Labor |
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SubChapter O - Coal Mine Safety and Health |
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Part 75 - Mandatory Safety Standards - Underground Coal Mines |
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Subpart H - Grounding |
| § 75.700-1 - Approved methods of grounding. |
| § 75.700 - Grounding metallic sheaths, armors, and conduits enclosing power conductors. |
| § 75.701 - Grounding metallic frames, casings, and other enclosures of electric equipment. |
| § 75.702 - Protection other than grounding. |
| § 75.703 - Grounding offtrack direct-current machines and the enclosures of related detached components. |
| § 75.704 - Grounding frames of stationary high-voltage equipment receiving power from ungrounded delta systems. |
| § 75.705 - Work on high-voltage lines; deenergizing and grounding. |
| § 75.706 - Deenergized underground power circuits; idle days - idle shifts. |
| § 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. |
| § 75.702-1 - Protection other than grounding; approved by an authorized representative of the Secretary. |
| § 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. |
| § 75.704-1 - Approved methods of 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. |