Appleton Electric Explosionproof Conduit Outlet Box GRL75

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, CSA C22.2 APPROVAL CLASS I DIV 1 AND 2 GROUP B C D, CLASS II DIV 1 AND 2 GROUP E F G, CLASS III, NEMA 3/4 ENCLOSURE EXTERNALLY THREADED COVER TYPE 18 CUBIC INCH CAPACITY L STYLE (2) SIDE HUB LOCATION EXTERNAL HUB TYPE 3.38 INCH COVER OPENING DIAMETER UNILETS[R] BRAND CONSTRUCTIONAL FEATURE EXPLOSIONPROOF, CORROSION RESISTANT, DUST IGNITIONPROOF INCLUDES GROUNDING SCREW, O-RING, COVER APPLICATION GENERAL PURPOSE WIRING, PULLING OF WIRE, CONNECT CONDUIT LENGTH AND CHANGE DIRECTION OF CONDUIT RUN, PROVIDE ACCESS FOR MA GR MODEL