If the light goes on the switch is probably faulty.
How to check if wall light switch is broken.
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.
Turn on the breaker.
If the specific breaker is not identified turn off the main power switch.
Take the switch plate off and remove the switch from the box.
Clean them up or tighten them as needed.
Turn off the power to the light circuit at the breaker panel.
How to troubleshoot light switches and replace it can be easy and d i y project.
How to tell if an electric light switch is bad.
Twist them together with pliers and screw on a wire connector.
Disconnect and remove the switch.
Turn the power off to the switch put tape on the breaker so no one will turn it on.
Identify the switch type.
Keep the circuit breaker flipped off for this.
This video will show you how to check your light switch and how to replace a.
Remove the screws holding the cover plate on the light switch with a slotted screwdriver.
Shut off the power.
Shut off the power to the light switch circuit by switching off the appropriate breaker in your home s service panel breaker.
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.