I have hung several ceiling fans before but I am not sure how to attach the base plate to this style of junction box... Anyone have any insight on this type, it does not seem to have any holes for me to mount the base plate to it. I am guessing this style sits in the joist?
Got access above it?
If so I'd change it to a different fan rated box.
No access from above
You will either need to replace the box with one that is able to hold the fan load or install the fan base in such a way that it is firmly attached to a ceiling joist.
Between the weight and constant movement, ceiling fans need a pretty secure attachment point.
According to my builder, this is a fan rated junction box. Just not sure what to correct way to connect the plate is.
To be a fan rated box, it will need two screw ports that are the full depth of the box. These will be on the outside perimeter of the box. Any chance that they are covered up by drywall?
And they would be 10-32 screw holes.
What's he expect you to use sky hooks to connect it?
That is what I was thinking as well. And it may be fan rated after all. Not that plastic or fiberglass is my first option. Looks like the type of box that attaches to a joist or rafter allowing for the fixture to center in the room properly. The volume needed for the "box fill" is purposely offset by design.
If this is a fan box print stamped into the body of the box will be present with fan rated info per the NEC.... Or Google the printed make & model number for al the info you may need. Good luck...This message has been edited. Last edited by: CommonwealthSparky,
Popeye only reached for the Spinach can as a last resort...
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