UNILETS FD Deep Depth 1-Gang Cast Device Box, Number Of Outlet: 1, Material: Copperfree (4/10 Of 1 PCT Maximum) Aluminum, Size: 1 IN, Cable Entry: (1) 1 IN Hub, Cubic Capacity: 25 CU-IN, Knockouts: No, Height: 4.56 IN, Width: 2.81 IN, Depth: 2.69 IN, Finish: 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