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.

Learn how to install 3-Way Smart Wifi light switches with this step-by-step video. Consult a certified electrician if you ...

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 ...

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Managing the complex systems of the modern home can become pretty tricky. While mowing the lawn and hanging pictures on the wall are relatively straightforward tasks, plenty of additional ...