Service Entrance Caps for RMC/IMC Aluminum Trade Size 3 1/2 in Overall Length 9 9/16 in Finish Plain Insulated Yes Compatible Conduit Type EMT IMC RMC Thread Size 3 1/2 in Conduit Fitting Type Cap Standards UL Listed For Use With Metallic Conduit For Conduit Type EMT IMC RMC Overall Height 8 5/8 in Overall Width 7 3/4 in Color Natural Compatible Conduit Trade Size 3 1/2 in Connection Type Clamp Includes Clamp Insulation Material Plastic Outside Diameter 8.16 in