Installing a ceiling electrical junction box.
Install a ceiling light box.
If you have access from above you can make and install your own support brace using a length of 2x4 lumber nailed to the ceiling joists on both sides of the box location image 2.
Installing the box is easily done but you must be careful anytime you are working with electrical wiring.
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.
From below use wood screws to attach the ceiling box securely to the brace.
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.
How to install a junction box for a light fixture is fairly easy and should always be done with the power off.
Cut out the traced hole with an oscillating saw.
Restore power to the box and enjoy the new light in your room.
Determine a location for the light switch.
If you re wondering how you install a light fixture without an electrical box the short answer is that you don t.
Then screw in the light bulbs that may be included in your package.
Trace the mounting box on the ceiling where the light fixture will be mounted.
If your light fixture weighs more than 50 lbs it has to be supported independent of the electrical box.
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It should be 48 from the floor.
The electrical box or junction box is a code requirement that was established to prevent fires and other electrical accidents.
Trace the electrical box for the switch and cut it out the same way as the mounting box.
To complete your new light fixture installation slide the canopy up against the ceiling and screw it into place with the screw collar nut.