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Joined: May 2004
Posts: 6
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I'm wondering what everyone's technique to install floor outlet boxes for wood floors on sleepers?
I've done lots of installations without sleepers, and I would like to hear everyone's opinions.
thanks, Stan
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Joined: May 2003
Posts: 2,876
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On sleepers? Is the floor being raised for this?
Mark Heller "Well - I oughta....." -Jackie Gleason
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Joined: Dec 2003
Posts: 751
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What is under the sleepers? Concrete, steel or wood? How much clearance do you have?
Earl
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Joined: May 2004
Posts: 6
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Its in a concrete foundation. The wood floor sits on top of 2x4's in a recess in the foundation. There will be 3.5 inches of clearance between the concrete and the bottom of the finished floor.
I was thinking about installing the floor boxes like I normally would (Just placing them in the concrete of the foundation, but i'm not sure if the boxes will be tall enough to reach the finished floor.
My other idea was to place conduit where it will be accessible in the recess once the foundation is poured, then pipe over to the boxes which I would mount directly on top of the concrete.
I would really like to hear everyone's opinion on this.
Stan
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Joined: Dec 2003
Posts: 751
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I would mount the boxes such that they will be flush with the finish floor. They do make a type of floor box for mounting in wood. I would fasten them to the sides of the sleepers, and pipe between, rather than have them under ths concrete. Not to say there aren't better ideas out there.
Earl
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Joined: Jan 2004
Posts: 615
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I'm not sure I completely understand your set-up here, but how about hanging a 1900 bracket box off the sleepers with a 3/4" ring?
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Joined: Dec 2003
Posts: 886
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The only problem with all the ideas so far is that you have to be certain of the floor thickness (sub floor+finish floor) or you are screwed.
The better way to do this is to just cut a box in after the floor is finished. A buddy of mine uses boxes and covers from a company that I can't remember (gotta be one of the major mfgs). They have a special hole saw for recessing the cover into the wood floor. Works perfectly.
-Hal
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Joined: Apr 2004
Posts: 42
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the shop i work for specializes in log homes, everything is wood and most of it is finished and varnished we use 2 different types of floor recept in the application one is a carlon box and galv steel bracket. during rough in the wire is left coiled up and strapped to a sleeper or sub floor and the builders just drill a little hole and leave the wire stubbed up. we return on the finish and cut in the hole, mount the bracket/box adjust it to meet finished floor and install recept and cover. whole thing comes as a kit costs about 20 bucks at wholesale house ... i thingk the orange box store even has them. there are several from hubbell that work well also.
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Joined: May 2003
Posts: 2,876
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I acn never remember who makes em... Steel City I think. (TB?) Fully adjustable round floor rated outlet box. 2 1/2" high extra wide box, with an adjustable brass ring that comes up to the finished floor. Then a heavy brass cover. It's one of the few types we can use here. Anyway, I usually put them in concrete, but it sound like you may be able to put one between the sub, and finish floor? I found 'em! Warning these things are not cheap! http://elec-cat.tnb.com/tnbcat/tnbcat/SCFB_home_page_dsp.build_catalog_home_page Go to "floor boxes" - "Stamped Steel Floor Box Line for Use in Wood Floors" There is a picture of excatly what you want to do! ( I think? )
Mark Heller "Well - I oughta....." -Jackie Gleason
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Joined: Feb 2003
Posts: 198
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sbw010,- Just get some 1 gang masonary boxes and space them off the concrete enough so they are just below the finnished floor. Or you can also use a deep 4" sq.deep box and the correct size plaster ring.
Shoot first, apologize later.....maybe
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Posts: 4,141
Joined: October 2000
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