You can find many new lighting ideas for your home while walking through your local home improvement center. Knowing how to replace a wall lighting fixture would open up the options in your own home. No more "if only" and "what if" because you can wire a replacement light fixture on your own. Replacing an old, tired wall lighting fixture with a more modern fixture can change the look of the room.
Turn the power off to the circuit that powers your wall fixture by turning off the breaker in the main electrical panel.
Remove the original wall lighting fixture from the wall to expose the wiring and the electrical box.
Disconnect the wires that power the wall lighting fixture. Untwist the wire nuts that connect the white wires together and the black wires together. If the bare copper wire is attached to a green ground screw on the fixture crossbar, remove that as well by loosening the screw and removing the wire from beneath it.
Remove the fixture crossbar from the electrical box in the wall. It will be attached with two screws.
Assemble your new wall lighting fixture according to the manufacturer's directions.
Attach the new fixture crossbar to the electrical box in the wall, following your new wall lighting fixture's directions. Wire the bare copper wire to the green ground screw on the fixture crossbar and tighten the screw. Only attach the bare copper wire if you had to remove it from the fixture crossbar; otherwise, leave the bare copper wire where it is in the electrical box.
Twist an orange wire nut onto the black wire from the new wall lighting fixture and the black wire from the electrical box in the wall, connecting the two wires together. Connect the white wires from the light fixture and the electrical box in the same manner.
Attach the wall fixture to the wall according to the manufacturer's directions.
Turn the power on to the circuit that powers your wall fixture by turning on the breaker in the main electrical panel.
Should you be unaware how your wall lighting fixture attaches to your wall, visit your local home improvement center and locate a wall lighting fixture similar to yours. The associate from the department should be able to provide you with instruction on how your fixture is attached to the wall or provide you with a copy of the installation directions.