How to Replace or Install a Light Switch

Man's hands unscrewing 2 wires at the back of a switch.

This article offers step-by-step directions for replacing or installing a conventional light switch. When a light switch wears out because of their frequent use, it’s time to replace it. When a switch wears out, it may not work right or, worse, can give off sparks. A light switch that gives off sparks is a fire […]