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.

(Some electrical codes require you to have a neutral ... about ¾ on an inch and attach the black wire that goes to the light switch and a black jumper wire to the power source with a wire nut.

An electrician shares the top red flags to watch for. A flickering overhead light doesn't necessarily mean your electrical wiring is faulty, but it can be a red flag. Sometimes the flickering ...

also built the first ever electrical light switch. He created a range of electric appliances, including the electrical switch, for light displays in the 1880's New Year's celebration. Soon after ...