Identify the switch type.
How to check if wall light switch is broken.
Turn on the breaker.
Disconnect and remove the switch.
Test the ground wires in the wall switch with a two lead circuit tester which has a red and a black lead running into black body with a small light.
Turn the power off to the switch put tape on the breaker so no one will turn it on.
Replace it with a new one.
How to troubleshoot light switches and replace it can be easy and d i y project.
Shut off the power to the light switch circuit by switching off the appropriate breaker in your home s service panel breaker.
This video will show you how to check your light switch and how to replace a.
Shut off the power.
One mechanical failure easy enough to recognize is an internally broken toggle where the lever inside is unable or only occasionally able to activate the contactors.
Clean them up or tighten them as needed.
If the light goes on the switch is probably faulty.
How to tell if an electric light switch is bad.
Take the switch plate off and remove the switch from the box.
Twist them together with pliers and screw on a wire connector.
If the specific breaker is not identified turn off the main power switch.
Turn off the power to the light circuit at the breaker panel.
This problem can be felt by touch as the plastic piece is usually loose in the switch without any spring tension.