30 AMP Inlet Cover - Stainless Steel SmartPlugs 30 AMP 125 V inlets provide 20Xs more electrical contact area eliminating the overheating conditions seen with twist-type connectors. The solid sleeve connection and weatherproof seal makes it a preferred option. The mounting flange holes match existing inlets so it can be easily installed to replace the old twist-type inlet products in minutes. FeaturesReduces Overheating Increased pin clip surface area greatly improves electrical conductivity d