The provisions of 30 CFR 77.701 (relating to grounding metallic frames, casings, and other enclosures of electric equipment) are incorporated by reference.
25 Pa. Code § 208.213
The provisions of this §208.213 issued under sections 106 and 106.1 of the Bituminous Coal Mine Safety Act (52 P. S. §§ 690-106 and 690-106.1).