The Interpower series features the 3-prong, North American NEMA 6-15P Plug with the IEC-60320-C19 Connector.These North American power cords are the recommended cords for networking, laboratory, and communications equipment. They connect on one end to the NEMA 6-15R wall outlet and on the other end to PDUs, servers, and UPSs or any device featuring a C20 inlet.