Electrical Box Cover, Box Type Square, Cover Type Single Receptacle, Number of Gangs 2, Material Galvanized Steel, Depth 1/2 in, Width 4 3/4 in, Length 4 3/4 in, For Use With 30-50A Receptacle, Capacity 10.3 cu in, Raised Height 1/2 in, Description/Special Features 2.16 in dia Hole