Hubbell Electrical Products Explosionproof Junction Box EXB-16166 N34

20.38 INCH W X 9.19 INCH D X 20.38 INCH H OVERALL SIZE 15.5 INCH W X 6 INCH D X 15.5 INCH H INNER SIZE 3 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