Electrical Wiring

What’s happens when I turn on the light switch?

When you think of the electrical wiring system of a house, you might know it consists of wires and circuits. These wires and circuits provide a 360-degree delivery of electricity from the main electrical panel to an outlet, or series of outlets that service appliances, and then flows back to the panel. The electric circuits in a standard house electrical wiring system in the United States is generally comprised of 120-volts or 240-volts.

House electrical wiring in the United States is governed by the National Electrical Code (NEC), which is published by the National Fire Protection Association (NFPA 70). As an example, the current code dictates that three-pronged, polarized receptacles are to be used in all new home construction, in addition to, outlining the use of ground fault interrupters (GFI) in locations where an electrical appliance may be subjected to moisture.

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