Troubleshooting AC and DC electrical equipment and components such as variable frequency drives, contactors, relays, motor starters, circuit breakers, fuses or disconnects, transformers, solenoids, controllers, transmitters, transducers, switches (flow, photo, proximity, level, pressure, etc.), AC and DC motors and/or power supplies. Troubleshooting, repairing, replacing, aligning mechanical, hydraulic, or pneumatic components such as bearings, gear boxes, transmissions, shafts and couplings, brakes, control valves, cylinders, pumps.