Cable Support Body, Type Tapered, Space-Maker, Plug Type Multiple Segment, Conduit Type Rigid/IMC/EMT, Conduit Position Vertical, Conductor Size 18 to 8 AWG, 6 to 1/0 AWG, 2/0 to 4/0 AWG, 4/0 AWG to 750 KCMIL (Aluminum/Copper Clad Aluminum/Copper), Conduit Size 3 Inch, Cable Type Non-Armored, Material Hot Dip Galvanized Malleable/Ductile Iron, Application Indoor, Junction Box, Approval UL 514B, Applicable Standard NEC 300-19, With pOZi-grip R-Style Wedging Plug, Top Thread Length 1-3/8 Inch