Steel Conduit

Penetration Item (Size and Type)

Sleeve
O = Optional
R = Required

Point Contact

Assembly Thickness

F Rating

Nelson Product

UL System

Nelson FS Drawing

¾" EMT/RMC multiple      10truss 1 WRS3/LBS3 F-C-8034 FS-0626
2" EMT / RMC multiple  X   10truss 1or2 LBS3 F-C-8033 FS-0563
4" EMT / RMC      10joist 2 CLK F-C-1012 FS-0113
4" EMT / RMC    X 10truss 1or2 ES1399 F-C-1100 FS-0486
4" EMT / RMC      10truss 1or2 LBS3 F-C-1116 FS-0548