Attributes . UL 1569, UL 83, UL 1479, UL 1581, UL 2556, E80042 Federal spec A-A?59544 (formerly J-C?30B) NEC? 330, 300.22(C), 230.43, 250.118, 392, 396, 503, 530, 517, 518, 520, 645 UL Classified 1, 2, and 3 hour through (Fire) penetration product, R?14141 NEC? 300.22(C) Environmental Air Handling Spaces . Names