Measure, cut, and bend wire and conduit, using measuring instruments and hand tools. Trace out short circuits in wiring, using test meter. Strip insulation from wire ends, using wire stripping pliers, and attach wires to terminals for subsequent soldering. Examine electrical units for loose connections and broken insulation and tighten connections, using hand tools. Construct controllers and panels, using power drills, drill presses, taps, saws and punches. Drill holes and pull or push wiring through openings, using hand and power tools. Clean work area and wash parts. Maintain tools, vehicles, and equipment and keep parts and supplies in order. Transport tools, materials, equipment, and supplies to work site by hand, handtruck, or heavy, motorized truck. Install copper-clad ground rods, using a manual post driver.