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This video explains how to add a electrical switch to an existing light fixture in your home. Wiring is explained to give basic instruction how current travels to the switch and back to the light fixture. A single-pole wall switch is used in video to explain the most common type of wall switch and how it works. Always be sure the power is off before starting any electrical work. Always use proper electrical tools and follow all local and national electrical codes.
www.basements101.com/electrical/