Fd Deep Depth 2-Gang Cast Device Box | For Adapting Non-Metallic Conduits to Threaded Fittings, Metallic Systems | For Dead-End Terminations Where Two Devices or Additional Wiring Capacity Is Required | For Through Terminations Where Large Devices or Additional Wiring Capacity Is Required | 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