IEC 320 C9 2-Prong Female to Nema 1-15P 2-Prong Male AC Power cord, Nema 1-15P Male plug and cable is UL certified. Nema 1-15P 2Prong Male to IEC 320 C9 AC Power Cord. (IEC 320 C9) used to power very old machines/devices for example: Akai Sequencers Roland Juno Synthesisers Revox Tape Machines Marantz Hi-Fi and Singer Sewing Machines.