Must be proficient in the use of all tools of the electrical trade and must be skilled in the operations of electrical test equipment such as voltmeters, ammeters, ohmmeters, multi-meters, meggers, tachometers, temperature gauges, watt meters, phase meters, and various recording devices. various types of electrical equipment such as motors, control and power circuits (both A.C. and D.C.), switches, generators, transformers, relays, motor controllers, rectifier units, electrical devices, systems and apparatus, load distributions, cables, and.