30 C.F.R. § 75.700 Grounding metallic sheaths, armors, and conduits enclosing power conductors.
Title 30 - Mineral Resources
[Statutory Provisions] All 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.
Title 30: Mineral Resources
PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES
Subpart H—Grounding
§ 75.700 Grounding metallic sheaths, armors, and conduits enclosing power conductors.

