Extending flush mount box into furred out wall options

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sw_ross said:
That’s my plan at this time. North Dakota has an addendum that only one box extension can be used unless AHJ gives special permission.
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2” plaster ring would get you flush with the studs, then an Arlington BE-1 extender insert. Idk if they make a 2 1/2”.... never looked.


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I may be hijacking...

I am installing pvc conduit in block walls. All voids are filled with grout. I have receptacles, lighting and fire alarm outlets and pvc links to deep 4x4 boxes with extension ring above the grid ceiling at different elevations- the extension ring limit is not a factor here. Later on, extension rings will be installed to run surface conduit to load centers or another box above the grid ceiling but further away.

I have to hear it from the brick layers who don't want to cut block to accomodate my boxes above, they argue a simple pvc elbow high up should suffice. I have seen this before, where you have the elbow stick out, then you install a 4x4 box over it thru a back KO, elbow is cut a bit into the box so to not abrade the wire around the KO during wire pulls.
I mean I could do that or add a male connector but now my box sticks out and I have to engineer a way to support it. I can also chip around the block and deep set my connector but it is technically a solid block wall.

Or I can stick to my original plan and feed the bricklayers pizza on fridays. Thanks for any insight.

Regards
Oz
 
Who's in charge of the job? It's the bricklayers job to cut their brick around whatever is needed. Do it your way unless there was a print that shows their way. It sounds like they want you to do more work (after the wall is built) so they don't have to do as much work building it.

This is not a decision that should be between the bricklayers and the electrician.

As for the elbow through the back of the box, this is done without a box connector? I see it "working," but I wouldn't have thought it was to code.

But, yes, pizza goes a long way, and the politics of the job is sometimes more important. Which is why I don't take jobs that are like that.

I'd rather do it their way than have bricks donated to my car or residence later, and it's sad we have to think like that.
 
Ozymandias said:
I may be hijacking...

I am installing pvc conduit in block walls. All voids are filled with grout. I have receptacles, lighting and fire alarm outlets and pvc links to deep 4x4 boxes with extension ring above the grid ceiling at different elevations- the extension ring limit is not a factor here. Later on, extension rings will be installed to run surface conduit to load centers or another box above the grid ceiling but further away.

I have to hear it from the brick layers who don't want to cut block to accomodate my boxes above, they argue a simple pvc elbow high up should suffice. I have seen this before, where you have the elbow stick out, then you install a 4x4 box over it thru a back KO, elbow is cut a bit into the box so to not abrade the wire around the KO during wire pulls.
I mean I could do that or add a male connector but now my box sticks out and I have to engineer a way to support it. I can also chip around the block and deep set my connector but it is technically a solid block wall.

Or I can stick to my original plan and feed the bricklayers pizza on fridays. Thanks for any insight.

Regards
Oz
Click to expand...
Elbow is fine if you are later going to continue with raceway and not end in a box mounted on the wall surface. Tell them 12 inch block will accommodate your elbow better than an 8 inch block;)
 
MAC702 said:
Who's in charge of the job? It's the bricklayers job to cut their brick around whatever is needed. Do it your way unless there was a print that shows their way. It sounds like they want you to do more work (after the wall is built) so they don't have to do as much work building it.

This is not a decision that should be between the bricklayers and the electrician.

As for the elbow through the back of the box, this is done without a box connector? I see it "working," but I wouldn't have thought it was to code.

But, yes, pizza goes a long way, and the politics of the job is sometimes more important. Which is why I don't take jobs that are like that.

I'd rather do it their way than have bricks donated to my car or residence later, and it's sad we have to think like that.
Click to expand...

I got thrown into this after the last person, A foreman, was laid off after asking too many questions. I actually thought I was there to help him but I inherited his job on the same day as he got his walking papers. Now I was made foreman and have a GF who generally shoots from the hip at most tasks. I have saved him considerable time and money as I spot mistakes. i.e. pointing out 24 core drills were laid out wrong. I am doing my best at being diplomatic with these brick layers especially when grout may end up in the conduit.
Yeah, I don't think that would be code compliant as well without a connector.

kwired said:
Elbow is fine if you are later going to continue with raceway and not end in a box mounted on the wall surface. Tell them 12 inch block will accommodate your elbow better than an 8 inch block;)
Click to expand...
Funny in that it is actually 12" block wall and some is fire rated which is heavier. I assume it's all in the contract, outlets in wall accounted for but I am not privy to that and my GF is not very dependable on information.
 
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