Hubbell Electrical Products Explosionproof Junction Box EXB-18188 N34

23.25 INCH W X 12 INCH D X 23.25 INCH H OVERALL SIZE 18 INCH W X 8.12 INCH D X 18 INCH H INNER SIZE 5 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 IBIS PLUS H2 IMIA, 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 ENCLOSURE BOLT-ON, HINGED COVER TYPE COPPER FREE CAST ALUMINUM BODY MATERIAL ALUMINUM WITH STAINLESS STEEL COVER MATERIAL BACK, SIDE HUB LOCATION ALUMINUM LACQUER PAINTED BODY FINISH QUANTUM[R] BRAND EXB MODEL