System No. W-J-2229 provides a fire-rated assembly classified by Underwriters Laboratories, Inc. to UL 1479 with an F rating of two hours and a T rating of one-quarter hour. The assembly coordinates penetration components through a rated wall barrier.
Classified by Underwriters Laboratories, Inc. to UL 1479 R A A System No. W-J-2229 F Rating — 2 Hr T Rating — 1/4 Hr C L A S S I F I E D 1 4 3 3 2
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