CONDUIT, PIPE, FITTINGS | Control Transformers Solenoids Inductive Loads Lighting Heaters General-Purpose Loads | For Dead-End Terminations | For Reducing Conduit Entries to a Smaller Size in Threaded Rigid and Imc Conduit Systems | For Use in Metal Framing Applications | Use Through Knockout to Connect Box to Conduit Coupling, Use With Locknut to Connect Two Boxes Side by Side | Used With Locknut to Terminate Rigid and Imc Conduit to an Enclosure, Provides a Smooth Pulling Surface