MSHA - Code of Federal Regulations - 30 CFR 77.700
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MSHA - Title 30 CFR
30 CFR § 77.700
Grounding metallic sheaths, armors, and conduits enclosing power conductors.


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.