Run wiring throughout cab unit and underframe; Measure, cut, and lug wires to proper length; Evaluate continuity of wires and cables; Fit, assemble, connect and install system components; Use stripping and crimping pliers, voltmeters, jigs, measurement instruments, hand and power tools; Align major components; Assist welders with prep, repair, and grinding weld spatter; Mask locomotives for paint; Utilize computer to access instructional documents. Essential and Physical Activities: Strength - Must be able to lift and carry up to 35lbs, push and pull up to 50lb; Motion - Constant walking Frequent and sustained bending, crouching, stopping, kneeing, squatting and overhead reaching and climbing ladders; Vision/Hearing Requirements - Must be able to follow written and verbal instructions and hear audible alarms; Work Environment - Works on varied surfaces, concrete floors, and gravel, rail car and locomotive floors.