Fs Shallow Depth 1-Gang Cast Device Box | Control Circuits Lighting General Loads | For Use With Emt Conduit | For Use With Threaded Metal Conduit and Imc | Supplemental Protection of Lighting, Solenoid, Motor, and Transformer Circuits | To Connect Threaded Metal Conduit to a Threadless Opening in a Box or Enclosure | Tools | 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 SurfaceFurbay Electric Supp