Thermoplastic cord plug. Features built-in clamp tight strain relief. Ideal for appliances that require frequent plugging and unplugging. For use with No. 20, 18 and 16 AWG flat SPT cord. May also be used on 2-wire round cord up to 1/4 In.diameter. (No. 18 SV and SVT). 15A/125V. NEMA 1-15P. UL (Underwriter's Laboratories) listed. 2 Year limited warranty.