Nema 5-15P to IEC 60320 C-13 LOCKING 15A 125V BLACK Power Cords. The C-13 LOCK prevents un-intended disconnection. Other colors, ratings, and configurations are available. The NEMA 5-15P plugs into a PDU with NEMA 5-15R outlets. The C13 connects to a server with a C14 power inlet. IEC-LOCK.