Mercmaster III Replacement PL-C Lamp, Wattage: 13 WTT, Base: G24Q-1, Average Life: 10000 HR, Standard: Class I, Division 2, Group A, B, C, D, Class II, Division 1 And 2, Groups E, F, G, Class III, NEMA 4X, UL 1598, UL 924, UL 844, UL E10444, For Enclosed And Gasketed Emergency Lighting