162480-100 QuickCable Nylon Insulated Butt Connector Flared Ends 12-10 Gauge Yellow (100 Count) - Designed for heavy duty applications and superior performance. Tin plated annealed copper for improved corrosion resistance, Maximum conductivity and crimp strength. Serrated barrel for greater wire retention/pullout strength. Operating temperature range from -67º to 221ºF (-55º to 105ºC). Rated to 300V.