What electrician?

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