If you are removing an existing fixture.
Install new ceiling light box.
Mark the positions of the joists nearest to where you want to install the.
Installing a ceiling electrical box lets you add a light fixture to a room.
Check the label to make sure the box is designed to support more than 35 lbs.
At this point make sure that the installation is secure and that the fixture is.
Before you begin make sure your junction box can support the weight of the new light fixture.
Lighting or ceiling fan.
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.
Junction boxes typically hold up to 50 pounds.
Screw the ceiling plate to the mounting strap or support rod then put the mounting stem onto the ceiling plate.
Installing the box is easily done but you must be careful anytime you are working with electrical wiring.
Install brace image zoom to install a braced box slip the brace through the hole.
Tighten brace and bolt.
If your fixture weighs more you may need to install a junction box that s designed to support heavier light fixtures.
Find the joists near where you want to install a ceiling electrical junction box by sliding a stud finder over the ceiling.