Hubbell Electrical Products Explosionproof Junction Box EXB-684 N34

12.25 INCH L X 10.25 INCH W X 6.12 INCH D OVERALL SIZE 8 INCH L X 6 INCH W X 4 INCH D INNER SIZE 2 INCH HUB SIZE UL 698, UL 886, UL 1203, CSA C22.2 APPROVAL LUG MOUNTING CLASS I DIV 1 AND 2 GROUP B C D, CLASS I ZONE 1 AND 2 GROUP IMIA IIB+H2, CLASS II DIV 1 AND 2 GROUP E F G, CLASS III DIV 1 AND 2, NEMA 3/4/7B/7C/7D/9E/9F/9 G, IP66 ENCLOSURE HINGED COVER TYPE COPPER FREE ALUMINUM BODY MATERIAL ALUMINUM WITH STAINLESS STEEL COVER MATERIAL ALUMINUM LACQUER PAINTED BODY FINISH QUANTUM[R] BRAND EXB MODEL