Ring Terminal, KYNAR Insulated, 18 - 14 American Wire Gauge (AWG), No. 6 Stud Size. For nuclear containment areas and high temperature to 300 degrees Fahrenheit (150 degrees Celsius) applications. Color code is natural with appropriate color stripe to identify Wire Range, Ring tongue design assures a secure connection in high vibration applications. UL and CSA rated up to 600 Volts per UL 486A/B. Standard Package. KYNAR is a registered trademark of Atofina Chemicals, Inc..