Hubbell Electrical Products Explosionproof Junction Box GRL

10-1/2 INCH L X 8-7/8 INCH W X 7-3/16 INCH D OVERALL SIZE 9-1/8 INCH L X 7-5/8 INCH W X 4-15/16 INCH D INNER SIZE 2 INCH HUB SIZE UL 886/1203, CSA C22.2, FM APPROVAL LUG MOUNTING CLASS I DIV 1 AND 2 GROUP B C D, CLASS I ZONE 1 AND 2 GROUP IIB+H2 IIA, CLASS II DIV 1 AND 2 GROUP E F G, CLASS III DIV 1 AND 2, NEMA 3/4/4X/7B/7C/7D/9E/9 F/9G, IP66 ENCLOSURE THREADED COVER TYPE COPPER FREE ALUMINUM BODY MATERIAL ELECTROSTATICALLY APPLIED GRAY EPOXY POLYESTER POWDER COATED BODY FINISH 7-7/8 INCH COVER OPENING DIAMETER ELECTROSTATICALLY APPLIED GRAY EPOXY POLYESTER POWDER COATED COVER FINISH APPLICATION HAZARDOUS LOCATION INCLUDES BLANK COVER GR MODEL