Touch one voltage tester probe to the black wire and the other to the white wire.
How to fix a light on wall moubt.
Remove any shade or globe on the sconce then remove the light bulb.
Try this 60 second fix before you call an electrician.
Then reach into the bulb socket with a flat blade screwdriver and gently pry up on the tab that s centered at the bottom to restore good contact with the bulb.
If the voltage indicator doesn t light up the power is off.
How to fix light fixtures that are hanging loose 1.
Unscrew the mounting plate from the electrical box.
Look to see if either the black hot wires or the white neutral wires have come apart.
Pull the fixture off the wall then unscrew the wire caps connecting the light and circuit wires untwist them and remove the light.
Turn off the power remove the light bulb and unscrew the fixture from the electrical box.
Slide the light off of the anchor screws this will expose the wiring.
If this has happened you ll need to put them back together.
Use a non contact circuit tester to check the wires for power.
Remove the old light fixture.
Pull the fixture down but keep your hands away from the wires.
Loosen the mounting screws or knob that holds the base of the light fixture to the electrical box then gently pull the fixture away from the box.
Turn off the power to the fixture and use a non contact voltage tester to make sure the power is off.
Once you ve verified that the power is off disconnect the wire leads on the light fixture from the circuit wires by unscrewing the wire connectors.
In this step by step vide.
Turn off the breaker switch to the fixture.
When replacing a wall light or sconce it s important to plan ahead and ensure that your new light is looking and working its best.
Remove the retaining covers holding the light to the exterior wall.