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.

Easy Two-Way Light Switch Installation!! Young mom murdered after receiving menacing messages from stalker What were the ...

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 ...