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Air Conditioning
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How to Install or Replace an Electrical Wall Switch |
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Before you replace a wall switch, make sure it's
defective. Is the circuit breaker on? Try placing a new light bulb in the
fixture to see if it works. OK, now you've determined the switch is no good
and needs replaced. Installing a wall switch is a easy project, perfect for
the DIY person. Before getting started, turn off the power source to the existing light switch. This is done at the circuit breaker panel. If you're unsure or the panel box is not labeled correctly, you'll have to turn off all the power to the house using the main circuit breaker. To replace the wall switch you'll need: Screwdriver (Flat head or phillips, depending
on the screws) 1. With the power turned off leading to the wall switch, remove the face place. It will have one or two screws holding it in place. 2. Remove the screws or bolts that hold the switch to the wall. Carefully remove the unit from the wall, being sure not to touch any exposed wiring. 3. Double check to make sure the power is off at the wall switch using the circuit tester. 4. Remove the wires from the wall switch using the screwdriver. Mark the wires with masking tape if necessary in order to identify them when replacing the switch. 5. Using a wire stripper, remove any insulation, if necessary, to leave about 3/4" of bare wire exposed. The wiring needs to be clean and shiny. |
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6. Using your needlenose pliers, bend the exposed portion of the wiring into a U-shape. 7. Get your new light switch and screw the wires to the terminals securely. Gently place the wiring back into the wall and mount your new switch in the reverse order of the steps above. 8. Turn on the power source and test your newly installed light switch.
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