Cast Device Box, Height 4.56 Inch, Width 8.25 Inch, Depth 2.69 Inch, Capacity 78 Cu Inch, Number of Gangs 4, Hub Size 3/4 Inch, Material Zinc Electroplated Chromate Epoxy Powder Coated Malleable Iron, Shape Deep, Configuration Type FD, Mounting Lug, Approval UL 514A, Used On Threaded Rigid Metal Conduit and IMC, With Internal Ground Screw, Hub Type Brazed Threaded, Opening Type 1/2 to 1-1/2 Inch