Internal green grounding screw - standardMounting lugs standard on most boxesTapered threaded hubs (NPT) with integral bushingAmple wiring room provided in either FS or FD configurationWide selection of surface or flush covers available in three materials (sheet steel, Feraloy, aluminum)Covers for flush mounting extend to conceal the rough plaster lineAvailable in single gang and multi-gang configurations with hubs and as blank bodies for drilled and tapped openingsAccommodate wiring devicesAct as pull boxes for conductors in a conduit systemProvide access to conductors for maintenance and future system changesConnect conduit sectionsFSY boxes for mounting surface devices on floor or bench (used with single gang covers)(1) 3/4 in endFor threaded rigid and IMC conduit