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Sheet Drawing No. HILTI, Inc. Tulsa, Oklahoma USA (800) 879-8000 Date Scale cUL 1 of 2 3/16" = 1" Sep. 28, 2006 cUL SYSTEM NO. C-AJ-2055 cUL CAJ2055b.092806 CANADA ONLY F AND FT-RATINGS = 2-HR. FH AND FTH-RATINGS = 0-HR. NOTE : TESTED WITH A 50 Pa PRESSURE DIFFERENTIAL A A 1 2 3 4 5 6 7 8 9