Appleton UNILETS A-51 Series Incandescent Factory Sealed Luminaire Without Guard, Fixture Type: Pendant (Rigid Mounting), Lamp Type: 150 - 300 WTT A23/PS25 Medium Incandescent, Lamp Wattage: 150 - 300 WTT, Number Of Lamps: 1, Material: Copperfree (4/10 Of 1 PCT Maximum) Aluminum Mounting Hood, Fixture Wattage: 150 - 300 WTT, Length: 7.06 IN, Width: 7.06 IN, Height: 12.63 IN, Housing Finish: Epoxy-Clad And Powder Coat Fixture, Guard And Mounting Hood, Housing Material: Copperfree (4/10 Of 1 PCT Maximum) Aluminum, Ambient Temperature Range: 40 DEG C, Temperature Range: 125 DEG C Supply Wire, Lens Material: Explosionproof And Heat And Impact-Resistant Glass Globe, Hub Size: 3/4 IN, Number Of Hubs: 1, Standard: Group A And B: Class I, Division 1 And 2, Groups A , B, C, D, Class II, Division 1 And 2, Groups E, F, G, Class III, Group C And D: Class I, Division 1 And 2, Groups C, D, Class II, Division 1 And 2, Groups E, F, G, Class III, UL 1598, UL 844, UL E10444, C22.2 No. 250, C22.2No. 137,CSA 025428, Ideal For Use In Chemical And Petrochemical Plants And In Other Heavy Process Areas Where Ignitable Vapors, Dust, Moisture And Corrosive Atmospheres May Be Present, Suitable For Use In Wet Locations, Use With Threaded Metal Conduit