![]() 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.Įlectricians are trained to one of three levels: Apprentice, Journeyman, and Master Electrician. 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. 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. ![]() Electricians were originally people who demonstrated or studied the principles of electricity, often electrostatic generators of one form or another.
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