4 x 4 x 1-1/2 Box = 21 cu in per 314.16 (A)
3 #12 conductor @ 2.25 cu in each = 6.75 cu in.
1 device @ 2 x 2.25 cu in = 4.5 cu in
1 Foam job @ 9.75 cu in
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= 0.00 cu in + Fire Hazzard x (10)2 = Complete Violation & Installer must be shot.