Appleton Electric Explosionproof Junction Box AJBEW161606

21 INCH L X 21 INCH W X 9.81 INCH D OVERALL SIZE 16.5 INCH L X 16.5 INCH W X 5.75 INCH D INNER SIZE 3-1/2 INCH HUB SIZE UL 886, CSA C22.2 APPROVAL HORIZONTAL/VERTICAL WITH SLOTTED FEET MOUNTING CLASS I DIV 1 AND 2 GROUP B C D, CLASS I ZONE 1 AND 2 GROUP IIA IIB+H2, CLASS II DIV 1 AND 2 GROUP E F G, CLASS III, NEMA 4/9E/9F/9G, IP66 ENCLOSURE BOLT-ON, HINGED COVER TYPE SAND CAST COPPER FREE ALUMINUM BODY MATERIAL SAND CAST COPPER FREE ALUMINUM COVER MATERIAL SHOT BLAST BODY FINISH SHOT BLAST COVER FINISH INCLUDES STAINLESS STEEL COVER BOLT, NEOPRENE O-RING, GALVANIZED STEEL MOUNTING PAN, HINGE APPLICATION HAZARDOUS LOCATION USED ON TERMINALS, SPLICING WIRES, PULL BOXES, BUS BOXES AJBEW MODEL