Electro PJP Jack, Plugs & Sockets Low power adapter 619007 - PJP ADA1056-CD1-R, The Electro PJP ADA1056-CD1-R low power adapter is a single red connector. It is designed to facilitate low power connections efficiently. Typical applications include electronics and electrical engineering projects. Electro PJP ADA1056-CD1-R Adapter Converts 2mm to 4mm Banana Plug Red