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.

The requirements of Art. 404 apply to all types of switches including snap (toggle) switches, dimmer switches, fan switches, knife switches, circuit breakers, occupancy sensors, and automatic switches ...

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Ars is a place on the Internet where people have opinions (I know, I repeat myself). For some reason I was wondering why decora switches were invented and while looking at that I found many people who ...