UNILETS FD Deep Depth 2-Gang Cast Device Box, Number Of Outlet: 1, Material: Malleable Iron, Size: 1/2 IN, Cable Entry: (1) 1/2 IN Hub, Cubic Capacity: 45 CU-IN, Knockouts: No, Height: 4.63 IN, Width: 4.63 IN, Depth: 2.69 IN, Finish: Triple-Coat (Zinc Electroplate, Chromate And Epoxy Powder Coat), Standard: UL 514 A, UL File Number E2527, CSA C22.2 No. 18.1, CSA 001472 Certified, NEMA FB-1, For Use With Threaded Metal Conduit And IMC