Secures panel boards, switch boxes, pull boxes and other concealed or recessed equipment to the frame of the structure prior to the erection of walls, Measures, cuts, threads, bends, assembles, and installs conduit which connects the various outlets, panels and boxes or machines, using tools such as hacksaw, pipe benders, and threading tools, Installs and connects equipment to wiring system; tests circuits for continuity and proper connections, using a battery and buzzer, or light bulb, installs buss duct, main power lines and systems, circuit breakers, transformers, and all other electrical equipment included in power systems. Serving three primary markets – passenger vehicle, commercial truck, and off-highway equipment – Dana provides the world's original-equipment manufacturers and the aftermarket with local product and service support through a network of nearly 100 engineering, manufacturing, and distribution facilities.