RONG KUANG NEMA Straight Blade Flanged Outlets devices are designed to install quickly and provide reliable performance in tough industrial environments. Available in a wide variety of NEMA configrations, ranging from 15A to 20A, 125V to 250V. All thermoplastic construction, provides excellent impact and chemical resistance. Internal cord clamp limits wear and prevents cord from loosening. A variety of cord clamp inserts to grip most cord sizes securely.