30 CFR § 77.701 Mandatory Safety Standards, Surface Coal Mines and Surface Work Areas of Underground Coal Mines

§ 77.701 Grounding metallic frames, casings, and other enclosures of electric equipment.

Current through Jul 27, 2026 · Read all of Part 77

Metallic frames, casings, and other enclosures of electric equipment that can become “alive” through failure of insulation or by contact with energized parts shall be grounded by methods approved by an authorized representative of the Secretary.

← § 77.700-1 Approved methods of grounding.§ 77.701-1 Approved methods of grounding of equipment receiving power from ungrounded alternating current power systems. →