... " Deep 1/2" KO Galvanized Steel Square Junction BoxMaterial: Galvanized SteelThickness:1.2mmDeep: 1-1/ ... Deep Steel Square Box availableSteel Handy Junction Box,Steel Octagon Junction Box available 1.These 4” square ... conduit box, 4” square box, 4” square junction box, 4” square outlet box, standard 1900 box ... conduit sizes.4.We also manufacture many junction boxes with preinstalled cable clamps for non ...