Attributes . UL 66, 83, 1479, 1569, 1581, 2556, E80042 Listed, NEC 250.118, 300.22(C), 392, 396, 330, 501, 502, 503, 530, 504, 505, 518, 520, 530, 645, 725, Federal Specification: A-A-59544 (Formerly J-C-30B), Meets All Applicable OSHA and HUD Requirements, Install Per NECUL and Reg Classified 1, 2 and 3 Hour Through Penetration (Fire Stop) Product, R14141, Environmental Air-Handling Space Installation Per NEC 300.22(C), NEC Section 725.136(I)(1) . Names