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Ceiling fixture box installation.
Number 10 x 1 5 sheet metal screws were used to secured the pancake box to the ceiling joist.
Installing a ceiling electrical junction box.
Push the box into the hole in the ceiling until the lip of the box is flush with the drywall.
If your fixture weighs more you may need to install a junction box that s designed to support heavier light fixtures.
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Installing a light fixture or outlet in the ceiling requires an electrical junction box to hold the wire connections and the fixture or device.
Before you begin make sure your junction box can support the weight of the new light fixture.
Junction boxes typically hold up to 50 pounds.
A grounding pigtail was added using number 14 wire and a 10 32 green ground screw.
Install a plastic old work ceiling junction box if your fixture weighs 10 pounds or less.
The box above is ready for a standard light fixture installation.
Check the label to make sure the box is designed to support more than 35 lbs.
Pull the electrical cable that s hanging from the ceiling through a knockout hole in the back of the box.
An easy solution is to install a fan brace box available from home centers and hardware stores that s designed to be installed without cutting any additional holes in your ceiling.