30 CFR § 77.700 Mandatory Safety Standards, Surface Coal Mines and Surface Work Areas of Underground Coal Mines

§ 77.700 Grounding metallic sheaths, armors, and conduits enclosing power conductors.

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

Metallic sheaths, armors, and conduits enclosing power conductors shall be electrically continuous throughout and shall be grounded by methods approved by an authorized representative of the Secretary.

← § 77.606-1 Rubber gloves; minimum requirements.§ 77.700-1 Approved methods of grounding. →