For SM-JBOX-IG-S and SM-JBOX-IG-L:
These junction boxes are CSA certified and UL listed. Additionally, they have the following NEMA ratings: 1, 2, 4, 4X, 12 & 13, 6P.
For SM-JBOX-WM-L:
This junction box is UL listed and has the following NEMA ratings: 1, 2, 4, 4X, and 12.