Hubbell-Raco 888 1/2-Inch Raised Square Cover with (1) 2.62-Inch Diameter 30-50 Amp Receptacle, 4-11/16-Inch Made from zinc, pre-coated, steel Hardware and cover are packed in a poly-bag with printed catalog number, compliances and installation instructions 10.3cu. in. capacity, 2.625 in. diameter opening Device mounts to cover UL CSA listed