This video will show you how to check your light switch and how to replace a.
How to check if wall light switch is broken.
How to tell if an electric light switch is bad.
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 off the power to the light circuit at the breaker panel.
Clean them up or tighten them as needed.
How to troubleshoot light switches and replace it can be easy and d i y project.
This problem can be felt by touch as the plastic piece is usually loose in the switch without any spring tension.
Shut off the power.
If the specific breaker is not identified turn off the main power switch.
Twist them together with pliers and screw on a wire connector.
Take the switch plate off and remove the switch from the box.
Shut off the power to the light switch circuit by switching off the appropriate breaker in your home s service panel breaker.
If the light goes on the switch is probably faulty.
Remove the screws holding the cover plate on the light switch with a slotted screwdriver.
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.
Keep the circuit breaker flipped off for this.
Replace it with a new one.
Check for loose or corroded wires.
Turn the power off to the switch put tape on the breaker so no one will turn it on.