HiFiKing&reg; PU-18(Cu) Hi-End Red Copper US AC Power Plug Connector 15A/125V A.C. HiFi Plug for HiFi DIY HiFiKing Pure Red Copper Audio Grade AC Power Connector Accepts Up to 18mm Cable Rugged Polycarbonate Rear Housing Metal Conductor Perfect Contact Ensures Good Connection All non-magnetic Material Helps Eliminate Interference