Appleton Electric Explosionproof Conduit Outlet Box GRFC-75LC

ZINC ELECTROPLATED CHROMATE EPOXY POWDER COATED MALLEABLE IRON (BODY), EPOXY POWDER COATED COPPER-FREE ALUMINUM (COVER) MATERIAL ROUND SHAPE 3/4 INCH HUB SIZE 2 HUB(S) UL 1203, CSA APPROVAL FLANGED MOUNTING CLASS I DIV 1 AND 2 GROUP C D, CLASS II DIV 1 AND 2 GROUP E F G, CLASS III ENCLOSURE EXTERNALLY THREADED COVER TYPE E STYLE FEED THROUGH HUB LOCATION EXTERNAL HUB TYPE 3-3/8 INCH COVER OPENING DIAMETER UNILETS[R] BRAND CONSTRUCTIONAL FEATURE EXPLOSIONPROOF, CORROSION RESISTANT, DUST IGNITIONPROOF INCLUDES GROUNDING SCREW APPLICATION SUSPEND INDUSTRIAL HID, FLUORESCENT AND INCANDESCENT FIXTURE GRF MODEL