Types of Switches and Dimmers
A light switch opens or closes an electrical current to turn on a light fixture, ceiling fan or similar electrical device. Besides lighting up a room, some light switches incorporate special features, like motion detectors, to make moving around in your home safer and more convenient. This buying guide will help you understand the types of light switches available, so you can feel confident you’re selecting the right light switch for any room in your home. Ready to find the supplies you need in your local store? Use The Home Depot app to locate products and check inventory. We'll take you to the exact aisle and bay.
Tip: Before you replace or install a light switch, it’s important to make sure the new switch matches the amperage rating and voltage of where it’s being installed. 15 amp switches should be connected to a 14-gauge wire, which is found in most homes. For commercial or industrial switches, 20 amp switches should be connected to a 12-gauge wire.
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