Ring Terminal, Large Wire, KYNAR Insulated, 4 American Wire Gauge (AWG), 1/4 Inch Stud Size. Designed for use with No. 8 - 2 AWG copper wire. For nuclear containment areas and high temperature to 300 degrees Fahrenheit (150 degrees Celsius) applications. Color coded is Natural with appropriate color stripe to identify Wire Range, Ring tongue design assures a secure connection in high vibration applications. Classified as Class 1E in accordance with IEEE 323-2003. Metal insulation grip sleeve crimps to wire insulation, providing protection to the crimp joint during high vibration applications. Standard Package. KYNAR is a registered trademark of Atofina Chemicals, Inc..