High voltage is no joke, but you don’t need special electrical knowhow or skills to safely replace your light switch or ...

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.

Knowing how to wire a light switch is critical if you are going to tackle the job yourself. Here we show you how to wire up a ...