Cable Tray

Penetration Item (Size and Type)

Sleeve
O = Optional
R = Required

Point Contact

Assembly Thickness

F Rating

Nelson Product

UL System

Nelson FS Drawing

18” X 4” AL or 18” X 6” steel - 30% fill    X 3¾,5 1,2 PLW/FSP W-L-4003 FS-0097
18” X 4” - steel tray, 39% fill      3¾,5 1,2 FSP W-L-4051 FS-0636
18” X 5” aluminum tray - 20% fill      3¾,5 1,2 LBS3 W-L-4045 FS-0602
24” X 4” steel tray - 40% fill    X 3½,5 1,2 FireBrick W-L-4061 FS-0642
18” X 4", steel sleeve, 26% fill  R   3½,5 1,2 PLW/FSP W-L-3055 FS-0106