Third Party Certification: UL File Number 11853, CSA 009795, Applicable Third Party Standards: UL 514B, CSA C22.2 No.18, Federal Specification W-F-406E, NEMA : FB-1, Hazardous Locations: Class I, Division 2 Per NEC 501.4(B), Class I, Zone 2 Per NEC 505.15(