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.

There are as many varieties of smart light switches (and dimmers) as there are light bulbs, and while the prospect of upgrading your old dumb switch might seem daunting, they’re usually pretty simple ...

First on the electrical wire color code is black. “Black wires are most used as ‘hot’ wires in residential systems,” says ...