An electrician is a tradesman specializing in electrical wiring of buildings, 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. In the film industry and on a television crew the Electrician is referred to as a Gaffer
"Electrician" and "electrical contractor" are related terms. An electrician is an individual tradesperson; an electrical contractor is a business that employs electricians to design, install, and maintain electrical systems. In most of the United States, separate licensing requirements exist for electricians and electrical contractors. Electricians are typically not allowed to perform work for the public unless under the employment of an electrical contractor.
Apprenticeship is a system of training a new generation of practitioners of a skill. Apprentices (or in early modern usage "prentices") or protégés build their careers from apprenticeships. Most of their training is done while working for an employer who helps the apprentices learn their trade, in exchange for their continuing labour for an agreed period after they become skilled. Theoretical education may also be involved, informally via the workplace and/or by attending vocational schools while still being paid by the employer.
As David is the youngest character he is not fully qualified, which therefore means he has to be in training for a certain manual job as it is the job typically associated with men who attend football matches.
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