Conduit Cabinet Compound Bushing, Conduit Size 2 Inch, Wire Size (1) 1.53 Inch/(2) 0.81 Inch/(3) 0.73 Inch/(4) 0.65 Inch, Diameter 3-1/8 Inch, Height 2-5/8 Inch, Material Hot-Dip Galvanized Malleable/Ductile Iron, Used On Exposed Wire, Rubber/Plastic Insulated Cable, Approval CSA