How many handymen does it take to install a dimmer switch? None, you can do it yourself in a snap. A dimmer switch can make a room more comfortable, by allowing you to adjust the light to just the right brightness at the moment. You will need a screwdriver, a circuit tester, a wire cutter, a wire stripper, and 3 twist-on wire connectors. Watch this video tutorial and learn how to install a dimmer switch.

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