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.

When the chandelier starts flickering, don’t blame it on a ghost. Time to learn how to wire a light switch. You know that you need to change a switch when the lights go in and out, or if they make a ...

Learn how to install 3-Way Smart WiFi light switches with this step-by-step video. Please consult a certified electrician if you have any questions or concerns. Every wiring setup is unique, so be ...