Pennsylvania Statutes Title 52 P.S. Mines and Mining § 70-276. Safety lamps or electric lamps property of operator; competent person to examine

Whenever safety lamps or electric lamps are required in any mine or part thereof, they shall be the property of the operator of said mine; and a competent person, who shall be appointed for the purpose, shall examine every safety lamp and electric lamp immediately before it is taken into the workings for use and he shall ascertain that all safety lamps are clean, safe, and securely locked; and safety lamps and electric lamps shall not be used until they have been so examined and found safe, and, in the case of safety lamps, clean and securely locked.