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Plastic box approved for ceiling fan?

11326 Views 5 Replies 3 Participants Last post by  SD515
I just re-installed a ceiling fan which had been installed about 10yrs ago, then removed and stored for about 7yrs.
The box that is in the ceiling is a plastic RAYCO, which does not look like a normal box. It has a large section in the middle which takes up a lot of the volume of the box, and this is secured by two large, recessed screws.
The box itself appears to be securely attached to the joist, but I did not go into the attic to check, since there was already a fan there.

I had always thought that only metal boxes were approved for a ceiling fan, so I am a little concerned. That said, there is an identical fan in another room that was installed by the same electrician at the same time as this one, and I assume (I did not take the fan down to check) that it is also a plastic box. That fan has been up and running for ten years with no problems at all.

Thanks for your advice/opinion.

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The box only needs to be fan rated if it provides the sole support for the fan. It sounds like the bracket screws into a framing member and not the box.

Some plastic fan boxes also have a metal plate above the box to provide support.

I suspect you have a box that straddles a joist. A pic would confirm this.
The Raco Insider is a NM cable connector. It can be used in a 1/2" knockout.
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