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Smart switches require a neutral wire for power, but many older homes do not have one available. You should never attempt electrical work unless you are a licensed or experienced electrician.

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Q: During a recent dinner date at my house, I thought about how romantic it would be if I could dim the lights. My light switch doesn’t have this feature and I would like to replace it with one that ...

You’ll need to make a raft of decisions before you choose which smart switches to install in your home, and your choices will be influenced by everything from the ...