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Electrician

價格:免費

檔案大小:12.4 MB

版本需求:需要 iOS 9.3 或以上版本。與 iPhone、iPad 及 iPod touch 相容。

支援語言:英語

Electrician(圖1)-速報App

An electrician is a tradesperson 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, as well as data and cable.In the United States, electricians are divided into two primary categories: linemen, who work on electric utility company distribution systems at higher voltages, and wiremen, who work with the lower voltages utilized inside buildings. Wiremen are generally trained in one of five primary specialties: commercial, residential, light industrial, industrial, and low-voltage wiring, more commonly known as Voice-Data-Video, or VDV. Other sub-specialties such as control wiring and fire-alarm may be performed by specialists trained in the devices being installed, or by inside wiremen.

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支援平台:iPhone