Wednesday, August 18, 2010

Electrical Wire

An electrical wire is an insulated conductor that is carries electricity. It is used to provide power safely to structures and buildings. An electrical wire size is evaluated by the American wire gauge (AWG). It calculates the diameters of a round, solid, nonferrous electrical wire. An electrical wire safety code is intended to protect people and buildings from electrical shock and possible fire hazards. These codes are established by a city, county, state or national legislation.

An electrical wire is usually color-coded to distinguish between what certain electrical wire should be used. In the United States, a black electrical wire signifies “hot” or “live”. A white electrical wire is neutral and a green electrical wire signifies ground or earth. An electrical wire system has certain power requirements, depending on the size of the building. For example, a single-family home will need low power requirements. Larger industries will require a higher power electrical wire.

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