A light switch is the simplest of electrical devices. Flip the switch, electricity flows. Flip it again, electricity stops.

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 ...

We may earn a commission from links on this page. If you have a room with no overhead light fixture, or one in which the main light switch isn’t convenient, you can solve your problem by adding a ...