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Old 11-23-2010, 08:30 AM   #1
Wolf
 
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Ceiling Fan Mounting


I am planning to install a living room ceiling fan and would like some recommendations on the best way to provide a robust ceiling box to support the fan. The ceiling is made of 2 x 4 scissor trusses on 2' centers and I have access in the attic. The fan is a typical unit, probably weighs on the order of 25 pounds. Thanks in advance for your suggestions.

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Old 11-23-2010, 08:46 AM   #2
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Ceiling Fan Mounting


Go to a local big box store and buy a specially design box that that can be slid on an adjustable spreader bar between rafters or trusses. - Costs about $10-$15.

With this you can install it without access to the attic by just cutting a hole where the fan will be, inserting the box and spreader bar, turning to expand to the truss spacing and sliding the box into position. Working through a 4" hole in the sheet rock is not always easy if you have big hands, but is not that difficult.

Since you have attic access, you can always get above and put in a 2x4 between trusses and nail a box to the 2x4.

My problem has always been getting power to a new fan location.

Dick

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Old 11-23-2010, 09:00 AM   #3
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Ceiling Fan Mounting


Thanks a lot Dick for your quick reply. It occurred to me that since I have attic access, and if I'm lucky, a truss may be located where I want the fan. In that case, could I use one of the boxes with metal mounting tabs and nail/screw it to the truss?
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Old 11-23-2010, 09:24 AM   #4
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Ceiling Fan Mounting


Yes, the easiest way (which is also a very strong and solid way) is to screw a pancake box to the underside of a joist.

For a fan you can pickup power from any general circuit running thru the attic. Since most fans have remotes or are capable of adding a remote, you don't even have to install a switch on the wall if you don't want to, just bring constant hot power to the fan and use the remote to control the lights and fan.
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Old 11-23-2010, 09:29 AM   #5
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Ceiling Fan Mounting


Thanks Lockset for your reply. I prefer to keep the ceiling "clean" of any boxes so I'll use the box concealed in the attic. The remote is a great idea which I have previously used and plan to do this time as well.
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Old 11-23-2010, 11:29 AM   #6
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Ceiling Fan Mounting


Quote:
Originally Posted by Lockeset View Post
Yes, the easiest way (which is also a very strong and solid way) is to screw a pancake box to the underside of a joist.

For a fan you can pickup power from any general circuit running thru the attic. Since most fans have remotes or are capable of adding a remote, you don't even have to install a switch on the wall if you don't want to, just bring constant hot power to the fan and use the remote to control the lights and fan.
I don't think pancake boxes are code approved for fans.
Ron

Last edited by Ron6519; 11-23-2010 at 01:01 PM. Reason: double negative
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Old 11-23-2010, 12:22 PM   #7
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Ceiling Fan Mounting


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Originally Posted by Ron6519 View Post
I don't think pancake boxes are not code approved for fans.
Ron
Any big box store or electrical supply house will have fan rated pancake boxes. They cost about $1.50 more than typical pancake boxes.

Further, you can also get a saddle style box that hugs the bottom of the joist. This gets installed similar to a pancake box but gives you a bit more room inside for the wiring.
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Old 11-23-2010, 01:55 PM   #8
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Ceiling Fan Mounting


Once you have the location for the fan figured out, then you know what kind of fan box you need.
Or you can go buy the several types and return what is not needed.
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Last edited by jbfan; 11-23-2010 at 10:11 PM. Reason: spelling
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Old 11-23-2010, 08:32 PM   #9
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Ceiling Fan Mounting


Thanks everyone for your replies.
Ralph

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