Fdc Deep Depth 1-Gang Cast Device Box | For Adapting Non-Metallic Conduits to Threaded Fittings, Metallic Systems | For Dead-End Terminations | For Reducing Conduit Entries to a Smaller Size in Threaded Rigid and Imc Conduit Systems | For Through Terminations | For Use With Threaded Metal Conduit and Imc | Use Through Knockout to Connect Box to Conduit Coupling, Use With Locknut to Connect Two Boxes Side by SideFurbay Electric Supp