NEMA 5-15P is a standard 3-prong plug which fits a standard wall 15A 120V wall outlet. The C15 is a notched version of the C13 and mates with a C16 inlet. The C15 is a HIGH TEMPERATURE connector. The maximum pin temperature of the appliance inlet is 120C for the C15. This power cord set is generally used to connect a 15 Amp or less rack-mounted switch to a NEMA 5-15R or 5-20R wall receptacle. Available in 10, 13, and 15 amp versions.