This chapter shall not apply to the construction, reconstruction, operation, and maintenance of overhead electrical or communication circuits or conductors and their supporting structures and associated equipment of (i) rail transportation systems, (ii) electrical generating, transmission or distribution systems, (iii) communication systems, including cable television, or (iv) any other publicly or privately owned system provided that such work on any of the foregoing systems is performed by the employees of the owner or operator of the systems or independent contractors engaged on behalf of the owner or operator of the system to perform the work. This chapter also shall not apply to electrical or communications circuits or conductors on the premises of coal or other mines which are subject to the provisions of the Federal Mine Safety and Health Act of 1977 (30 U.S.C. § 801 et seq.) and regulations adopted pursuant to that Act by the Mine Safety and Health Administration.