Inspect and test electrical systems and equipment to locate and diagnose malfunctions, using visual inspections, testing devices, and computer software.
Reassemble and test equipment after repairs.
Splice wires with knives or cutting pliers, and solder connections to fixtures, outlets, and equipment.
Install new fuses, electrical cables, or power sources as required.
Locate and remove or repair circuit defects such as blown fuses or malfunctioning transistors.
Adjust, repair, or replace defective wiring and relays in ignition, lighting, air-conditioning, and safety control systems, using electrician's tools.
Refer to schematics and manufacturers' specifications that show connections and provide instructions on how to locate problems.
Measure, cut, and install frameworks and conduit to support and connect wiring, control panels, and junction boxes, using hand tools.
Install electrical equipment such as air-conditioning, heating, or ignition systems and components such as generator brushes and commutators, using hand tools.
Install fixtures, outlets, terminal boards, switches, and wall boxes, using hand tools.