An electrician is a tradesperson specializing in electrical wiring of buildings, transmission lines, stationary machines, and related equipment. Electricians may be employed in the installation of new electrical components or the maintenance and repair of existing electrical infrastructure. Electricians may also specialize in wiring ships, airplanes, and other mobile platforms, as well as data and cable lines.

A tradesperson or tradesman/woman is a skilled worker that specialises in a particular trade. Tradesperson (tradesman/woman) usually gain their skills through work experience, on-the-job training, an apprenticeship program or formal education.