Before you attempt to fix a faulty light switch, make sure you understand the basics of light switch wiring. Being a smart ...

Does your home have a lot of built-in light fixtures, such as recessed lighting, chandeliers, or wall sconces ... for homes without a neutral wire. A smart light switch looks and acts like ...

Holding it near the wire, the tester will light up to indicate an active ... all that's left is to attach the switch to the wall. The switch sends an RF signal to the receiver.