Pull Box Sizing

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Hi all. Have a question on sizing a pull box for a angled pull. Two 4" conduits enter side of a 36" x 24" x 12" J-Box, Two 4" conduits exit the adjacent side. Does the box have to be 30" instead of 24"? Thanks for the Help!
 

augie47

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Location
Tennessee
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State Electrical Inspector (Retired)
Depends.... :grin:
Strange as it is, IMO, it depends on your 4" conduits being in the same row.
If they are staggered, then a 24" box is sufficient. If they are in the same row, you must add 4" to your 24" measurement.
Keep in mind you must also maintain 24" between entries of 4" conduits containing the same conductors, so in this case the devil is in the details.
 
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