4-11/16" Box

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Maybe it had to do with manufacturing? Like, how many boxes could be laid out on a 4x8' sheet of steel.
 
The discussion has gone from the dimensions of a box to the art of running pipe!

What is the actual size of a 1-1/4" KO? 1/2" is 7/8", 3/4" is 1-3/32" and 1" is 1-3/8". I read somewhere that you just add 3/8" to the trade size to get the knockout size but that doesn't quite add up for a 3/4" KO.

I'm trying to figure out if 4-11/16" really is the smallest size box you can get away with for having a 1-1/4" KO.
 
daleuger said:
It will but it's VERY close and not pretty. Saw a guy attempt that once.
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I once installed two 1" PVC male adapters in the back wall of each of a pair of single-gang old-work boxes to run LV wiring behind a fireplace insert.

I took my time postioning and drilling them, and the lcoknuts had to be placed just right. I had to turn the adapters, not the locknuts, to tighten them.
 
Wow - pretty slim thread now.... I guess if we're gonna stay on topic - in some circle the 4-11 is know as a 5S.

And manufactures like a demand for a product - but they are disconnected from the field - which is why they don't seem to be interested in a 14"X(whatever)X4 with a flush cover.
 
e57 said:
Wow - pretty slim thread now.... I guess if we're gonna stay on topic - in some circle the 4-11 is know as a 5S.

And manufactures like a demand for a product - but they are disconnected from the field - which is why they don't seem to be interested in a 14"X(whatever)X4 with a flush cover.
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Fun fact of the day! :D
All this fun and a pay check too....
 
I always figured it might of been the cubic in capacity as it related to #12 wire. 9 wires in and 9 wires out (in a 3/4" EMT) works out to 42.75 cubic inches (with ground). 4-11/16 box is 42 cubic in. (2-1/8"deep)
 
e57 said:
Wow - pretty slim thread now....
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Yeah, threads tend to lose weight or close when people start talking about the women they dated and the silly pictures start finding their way in.

Perhaps a pattern should be noticed ............... nah, that will never happen.:D
 
iwire said:
Yeah, threads tend to lose weight or close when people start talking about the women they dated and the silly pictures start finding their way in.

Perhaps a pattern should be noticed ............... nah, that will never happen.:D
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So my post catalyzed in deleting a dozen posts before mine? :confused:
 
iwire said:
Yeah, threads tend to lose weight or close when people start talking about the women they dated and the silly pictures start finding their way in.

Perhaps a pattern should be noticed ............... nah, that will never happen.:D
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Maybe we should become a self-policing forum: Post something really terrible, then immediately delete it ourselves. :cool:
 
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