Before you attempt to fix a faulty light switch, make sure ... and end-line switches, and the diagrams below explain how each type works. With power-through wiring, power enters the switch box ...

And few electrical projects are as simple and safe as replacing an old light ... the switch, here’s how to release the wires: Look for a small square hole directly below where each wire goes ...

Once you’ve removed the old switch by disconnecting the wire with pliers. You may have to strip some of the sheathing to expose the wires before winding them onto a new light switch. Be careful ...

No matter which switch you flip, the light responds. You may find other configurations in your home. Hire a pro to diagnose ...

My house was built in the 50s, with wiring from ... the existing switch is a 3-way switch? But I read these have to be used in pairs, except no other switch affects this light.