Third Party Certification: UL File Number E-11857, CSA 009795, Applicable Third Party Standards: UL 514B, CSA C22.2 No.18, Federal Specification W-F-406E, Suitable for use in Hazardous Locations under NEC Sec. 501-4(b), 502-4(a) (2), and 503-3(a), For Clas