If you are removing an existing fixture.
Install new ceiling light box.
Find the joists near where you want to install a ceiling electrical junction box by sliding a stud finder over the ceiling.
Check the label to make sure the box is designed to support more than 35 lbs.
Before you begin make sure your junction box can support the weight of the new light fixture.
Installing a ceiling electrical box lets you add a light fixture to a room.
Mark the positions of the joists nearest to where you want to install the.
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.
Installing a new box step 1.
If your fixture weighs more you may need to install a junction box that s designed to support heavier light fixtures.
If you want to install a ceiling fan then you will need to get a box rated to hold the weight of a ceiling fan or you will want to add some additional bracing to hold the ceiling fan.
Install brace image zoom to install a braced box slip the brace through the hole.
Tighten brace and bolt.
Installing the box is easily done but you must be careful anytime you are working with electrical wiring.
Screw the ceiling plate to the mounting strap or support rod then put the mounting stem onto the ceiling plate.
Rotate the shaft of the brace.