Octagon box - set back

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Old 05-06-17, 12:46 PM
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Octagon box - set back

I am installing boxes for 2 new sconces in a bathroom I'm remodeling. Normally I use a square box with a mud ring and the box is behind the drywall and the ring is the depth of the drywall. I found 2 octagonal boxes (new work) in the garage. They have a 5/8 set back when mounted to the front of the stud (I have 5/8" drywall). I am guessing that is because you don't use a mud ring with these. I just want to make sure I can use these without a problem.

Weight isn't an issue as the sconces are only a few pounds.
 
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Old 05-06-17, 01:05 PM
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Those are fine for that application.
Once covered with sheetrock they are plenty strong for wall sconces.
 
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Old 05-06-17, 07:55 PM
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You will need a box extender to bring the box flush to the surface.
 
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Old 05-06-17, 10:35 PM
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Did I misunderstand ?
I took it that the box mounted projects 5/8" and will be even with the rock.
 
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Old 05-07-17, 07:04 AM
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Not sure, so I threw that out there so the face was not recessed.
 
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Old 05-07-17, 08:07 AM
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Yes, the box extends 5/8" past the front of the stud.
 
 

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