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Concrete/Masonry Walls - Bus Duct
  Penetrating Item
(Size and Type) 		Sleeve
O - Opt
R - Req'd 		Point Contact Assembly Thickness F Rating Nelson Product UL System FS Detail
  6" x 15", 3000A Copper         4½   2   CLK   C-AJ-6004  FS0102r7
  6" x 19", 4000A Aluminum         4½   3   ES1399   C-AJ-6030  FS0494r1
  6" x 27", 4000A Aluminum         4½   2   LBS3   C-AJ-6035  FS0541r2
     
 
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