Position the light fixture over the box and attach it with either mounting screws or a decorative cap threaded onto the mounting post the method will depend on the style of your fixture.
How to install light box in wall.
How to install a light fixture box in a wall without attaching to a stud duration.
For your safety turn off power before starting this project.
If the box does not come with a cardboard template hold its face.
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Clamp cable to the wall box tugging gently to make sure the clamp is tight.
If the drywall or plaster is damaged cut a larger hole and install a box that attaches directly to a stud or joist.
You may need to fine tune the depth of the mounting post by screwing it in or out.
How to install an electrical box in a finished wall.
Most wall sconces come with all the necessary hardware for mounting which is usually a strap with a center stud.
Secure box to wall.
This can apply to different types of wall light fixtures with basic wiring.
Tighten the screws until the box is firmly attached.
The procedure for installing a remodel junction box calls for a pencil drywall saw and screwdriver.
In the tutorial how to install an electrical box in an existing wall we provide detailed photo rich how to instructions on easily installing the old work electrical box.