The Apprentice performs duties related to using, installing, removing, replacing, servicing, testing, adjusting and repairing all types of electrical, electromechanical, electronic, microprocessor, and computerized devices, testing apparatus, instruments, control and protective relays, load and supervisory control systems, communications (for example, Power Line Carrier among others), electrical system switchgear controls, and other control equipment and circuitry used throughout West Penn Power system under guidance as a learning employee. Headquartered in Akron, Ohio, FirstEnergy includes one of the nation''s largest investor-owned electric systems, more than 24,000 miles of transmission lines that connect the Midwest and Mid-Atlantic regions, and a regulated generating fleet with a total capacity of more than 3,500 megawatts.