Third Party Certification: UL File Number E-34997 Listed For Class I, Division 1, 2, Groups C, D; Class I, Zone 1, 2, Groups IIA, IIB; Class II, Division 1, 2, Groups E, F, G; Class III, CSA LR-42843, UL Listed Using O-Z/Gedney EYC Sealing Compound Or Crou