Electricians plan, lay out, install, repair, and maintain electrical equipment that provides light, heat, communications, and power. Electricians perform electrical work required in the building and remodeling of structures. They assemble, install and connect lighting and power systems, thermostats, intercoms, signaling systems and ventilators.

Electricians also follow blueprints and specifications to install electrical wires, cables and conduit systems. Electricians must have good mechanical ability, a thorough knowledge of the principles of electricity, circuitry, and power distribution within a building and familiarity with the materials and techniques of construction. For safety, Electricians follow local electrical building and safety codes. On small jobs they may work alone with minimal supervision, and they may supervise an apprentice. On large jobs they may work under the direction of the Electrician Supervisor or Superintendent.