The provisions of 30 CFR 77.700 (relating to grounding metallic sheaths, armors, and conduits enclosing power conductors) are incorporated by reference.
25 Pa. Code § 208.211
The provisions of this §208.211 issued under sections 106 and 106.1 of the Bituminous Coal Mine Safety Act (52 P. S. §§ 690-106 and 690-106.1).