The provisions of 30 CFR 77.506 (relating to electric equipment and circuits; overload and short-circuit protection) are incorporated by reference.
25 Pa. Code § 208.181
The provisions of this §208.181 issued under sections 106 and 106.1 of the Bituminous Coal Mine Safety Act (52 P. S. §§ 690-106 and 690-106.1).