Measure the area from the top of your extension box to the ceiling and subtract a 1 2 inch.
How to add a light above the garage door.
Insert the conduit into the right angle connector.
When placing your garage lighting one of the most important safety factors is ensuring that your fixture has enough clearance from any moving parts on the door.
Use hangers every 12 inches.
If fixtures are to be installed over the top of the garage door they should be centered across to spread even illumination along the entire width of the driveway.
Use a stud find if necessary and measure and mark the location on the inside wall where the fixture will be.
If it s longer than 12 inches install a conduit hanger.
Continue installing conduit across the front wall ending it over the center of the garage door.
Measure both the height of the garage door and the width of your driveway to determine the size of the outdoor garage light needed.
If the garage is finished with insulation and drywall this can be difficult.
If there is drywall on the garage walls cut a small access hole at this location.
Use a saw to trim your conduit to those dimensions and smooth the edges with a round file.
Join elbow to the conduit with a straight coupling.
Fixtures installed in the center should be.
Look behind the location where the fixtures will be mounted.
As a rule the size of the fixture should be one quarter to one third the size of the height of the garage door opening when installed on either side.
How to place garage lights above a door.