A light switch is the simplest of electrical devices. Flip the switch, electricity flows. Flip it again, electricity stops. Lights on, lights off. That’s great for a small room with one entrance.

We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › Although it’s easy to wire a light switch, you need a basic understanding of how ...

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 ...