If not replace it with a fan rated junction box and a fan brace between the ceiling joist to help support the fan s weight.
Mount a ceiling fan with no box.
However even when it isn t the job is still quite doable.
Installing a ceiling fan is relatively simple especially if the space above is accessible from an attic.
Insert the fan brace through the hole in the drywall and onto the ceiling.
Boxes brackets 5in round electrical box 12 x12 x6 box.
Keep in mind what makes a ceiling fan electrical box different from a traditional light fixture box is the bracing.
There should be an inscription on the ceiling fan box to indicate this.
Raco 1 gang gray metal interior new work old work standard ceiling fan ceiling electrical box.
Now it s time to mount the junction box.
Once you ve found the proper location mark it and cut a hole.
The box must be securely attached to the building structure to support the ceiling fan.
Here we ll show how to replace an old light fixture with a new ceiling fan and light in a room with no attic above.
If you have doubts about the suitability of the existing box purchase and install a new one.
It must also be grounded or attached to a ground wire in the ceiling.
Ceiling fan boxes must include bracing that attaches to the ceiling joists to support the greater weight and vibration that comes with a ceiling fan installation.
The box is usually metal.
How doers get more done.
Make sure it s acceptable for ceiling fan installation and will support the weight of the fan.