Appleton Electric Explosionproof Junction Box GUBBD312

12 INCH L X 14.38 INCH W X 19.81 INCH D OVERALL SIZE 11.38 INCH L X 11.38 INCH W X 17.56 INCH D INNER SIZE LUG MOUNTING CLASS I DIV 1 AND 2 GROUP D, CLASS II DIV 1 AND 2 GROUP E F G, CLASS III ENCLOSURE DOME COVER TYPE MALLEABLE IRON BODY MATERIAL COPPER FREE ALUMINUM COVER MATERIAL ZINC ELECTROPLATED DICHROMATE EPOXY POWDER COATED BODY FINISH 9.69 INCH COVER OPENING DIAMETER EPOXY POWDER COATED COVER FINISH APPLETON[R] BRAND GUBBD MODEL