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 ...

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.

You can add a second light switch anywhere in your house without wiring a new three-way switch thanks to smart home technology. This guide will show you what you need, and how to do this without ...

Q:I have a three-way switch that controls the light at the top of the stairs. The switch at the bottom doesn't always work like it is supposed to. Sometimes when I turn it off, the switch at the top ...

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Q: At either end of my staircase I have a light switch that turns the staircase light on and off. The problem is that the switches don’t work correctly anymore ...

Q: Tim, I need you to mediate a dispute between my husband and me. We're building a new home, and there are several places where two or more switches can be used to control lights. I like the ...

The process of installing a smart switch is no different than replacing any other type of electrical switch in your home. You’ll want to take the proper precautions (we’ll help you with that, too), ...