The box is usually offset from the center of the ceiling which isn t ideal for a dome light but it works well for track lighting.
Replacing overhead fluorescent light fixture.
Homeowners who consider their old large fluorescent lights to be outdated can replace them with a new and more stylish incandescent lights.
Wearing safety glasses take the fixture back down and using marks for reference drill holes for fastening the fixture to the ceiling.
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Position the base of the fixture at the desired point on the ceiling.
A 4 lamp 4 foot fixture can go from what you have now about 7200 lumens in led terms or the equivalent of replacing a fixture that has four brand new fluorescent tubes with four 1800 lumen led tubes to nearly twice as bright about 12 000 lumens with four 3000 lumen led tubes depending on the lumen rating of your led replacement tube.
You may find several pairs of wires in the ceiling box.
Use the tape measure to ensure that the base is parallel to the wall and then mark the position of the mounting holes.
If you decide to replace the entire fixture and it s hardwired you ll see the wires sticking out of an electrical box in the ceiling.
To replace a ceiling light fixture follow these steps.
Part of a fluorescent fixture are explained and contrasts are made to other types of fixture which operate on very different platforms.
Use a circuit tester or turn off the power to the whole house to ensure that all the wires in the box are dead.
An overview of one of the most common light fixture categories.
Replacing a florescent light is a little more involved than replacing other types of light fixtures because you may have to repair the ceiling before you can install the new unit.
Some of these wires may be wired to different circuits than the fixture you re working on.