1) Assemble, install, test, and maintain electrical or electronic wiring, equipment, appliances, apparatus, and fixtures, using hand tools and power tools. 2) Diagnose malfunctioning systems, apparatus, and components, using test equipment and hand tools, to locate the cause of a breakdown and correct the problem. 3) Connect wires to circuit breakers, transformers, or other components 4) Test electrical systems and continuity of circuits in electrical wiring, equipment, and fixtures, using testing devices such as ohmmeters, voltmeters, and oscilloscopes, to ensure compatibility and safety of system. 5) Maintain current electrician's license or identification card to meet governmental regulations. 6) Direct and train workers to install, maintain, or repair electrical wiring, equipment, and fixtures. 7) Prepare sketches or follow blueprints to determine the location of wiring and equipment. 8) Install ground leads and connect power cables to equipment, such as motors.