Attributes . UL 514B, 11853 Listed, CSA C22.2 No.18, 009795 Certified, NEMA FB-1, Federal Specification: W-F-406E, Hazardous Locations: Class I, Division. 2 Per NEC 501.4(B), Class I, Zone 2 Per NEC 505.15(C)(2), Class II, Division. 1 Per NEC 502.4(A)(1)(E), Class II, Division. 2 Per NEC 502.4(B)(2), Class III, Division. 1 Per NEC 503.3(A)(2), Class III, Division. 2 Per NEC 503.3(B), Intrinsically Safe Per NEC 504.20 . Names