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Title 30

Displaying title 30, up to date as of 7/09/2026. Title 30 was last amended 6/29/2026.
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Title 30Mineral ResourcesPart / Section
Chapter IMine Safety and Health Administration, Department of Labor1 – 199
Subchapter OCoal Mine Safety and Health70 – 90
Part 77Mandatory Safety Standards, Surface Coal Mines and Surface Work Areas of Underground Coal Mines77.1 – 77.2104
Subpart HGrounding77.700 – 77.705
§ 77.700Grounding metallic sheaths, armors, and conduits enclosing power conductors.
§ 77.700-1Approved methods of grounding.
§ 77.701Grounding metallic frames, casings, and other enclosures of electric equipment.
§ 77.701-1Approved methods of grounding of equipment receiving power from ungrounded alternating current power systems.
§ 77.701-2Approved methods of grounding metallic frames, casings, and other enclosures of electric equipment receiving power from a direct-current power system.
§ 77.701-3Grounding wires; capacity.
§ 77.701-4Use of grounding connectors.
§ 77.702Protection other than grounding.
§ 77.703Grounding frames of stationary high-voltage equipment receiving power from ungrounded delta systems.
§ 77.703-1Approved methods of grounding.
§ 77.704Work on high-voltage lines; deenergizing and grounding.
§ 77.704-1Work on high-voltage lines.
§ 77.704-2Repairs to energized high-voltage lines.
§ 77.704-3Work on energized high-voltage surface lines; reporting.
§ 77.704-4Simultaneous repairs.
§ 77.704-5Installation of protective equipment.
§ 77.704-6Protective clothing; use and inspection.
§ 77.704-7Protective equipment; inspection.
§ 77.704-8Protective equipment; testing and storage.
§ 77.704-9Operating disconnecting or cutout switches.
§ 77.704-10Tying into energized high-voltage surface circuits.
§ 77.704-11Use of grounded messenger wires; ungrounded systems.
§ 77.705Guy wires; grounding.