Pull box sizing (Example 1) Let's say a junction box contains two trade size 3 raceways on the left side and one trade size 3 raceway on the right side. The conductors from one of the trade size 3 ...

If two 3-in. raceways contain the same conductors, what’s the minimum distance between these raceways? Answer = 6 × 3 in. = 18 in. [314.28(A)(2)] Sizing Tips for Pull Boxes and Junction Boxes. When ...