Appleton Electric Explosionproof Junction Box EXB181206

18 INCH L X 12 INCH W X 6 INCH D INNER SIZE 3-1/2 INCH HUB SIZE UL 886/1203 APPROVAL MOUNTING FEET MOUNTING CLASS I DIV 1 AND 2 GROUP D, CLASS II DIV 1 AND 2 GROUP E F G, CLASS III ENCLOSURE SCREW-ON COVER TYPE CAST IRON BODY MATERIAL CAST IRON COVER MATERIAL 0.81 INCH WALL THICKNESS HOT DIP GALVANIZED BODY FINISH HOT DIP GALVANIZED COVER FINISH EXB MODEL