Nebs Rating: Level 3; Csa File Number: Lr-29601; Ul File Number: E6207; Ul Specifications: Ul 486a-B Ul 467 | Culus for Emt Conduit Onlyfederal Spec. W-F-408e. Nema Fb-1 | Ul 514b, Ul File Number E148720, Us Federal Specification Number a-a-50553, Csa Certified, Nema/ansi Fb-1, Military Specification:w-F-406d, W-F-406e, W-F-408d, W-S-610d