HiFiKing CC-18(Cu) Red Copper Series IEC Plug Connector 15A/125V A.C. HiFi Plug For HiFi DIY HiFiKing CC-18(Cu) IEC Connector, Pure Red Copper Audio Grade AC Power IEC Plug Accepts Up to 18mm Cable, Rugged Polycarbonate Rear Housing Metal Conductor Perfect Contact Ensures Good Connection All non-magnetic Material Helps Eliminate Interference HiFiKing CC-18(Cu) is Perfect as a Replacement or Building of Your own Audiophile Grade Power Cords, Fast, Simple installation and loss-less performance were the focus of the CC-18(Cu)'s design.