Explosionproof Fluorescent Light Fixture, Lamp Type T8, Rapid Start, Lamp Base Bi-Pin, Number of Lamps 4, Ballast/Line Voltage 120 to 277 VAC at 50/60 Hz, Lamp Wattage 32 W, Minimum Starting Temperature -18 Deg C, Reflector Type White Baked Enamel Inside Gray Epoxy Outside Copper Free Aluminum, Number of Hubs 6, Hub Size 3/4 Inch Threaded, Length 52-7/16 Inch, Width 23-1/2 Inch, Height 11-7/16 Inch, Housing Material Copper Free Aluminum, Housing Finish Epoxy Powder Coated, Mounting Pendant, Enclosure Class I Div 1 and 2 Group C D, Class II Div 1 and 2 Group E F G, Class III, Approval UL 1598/844, CSA C22.2, Color Gray, Application Paint Spray Booth, Pharmaceutical Firm, Paint Manufacturing Plant, Printing Plant, Wet Location, Construction Feature Explosionproof, Dust-Ignition Proof