Ring Terminal, Vinyl Insulated, 12 1 American Wire Gauge (AWG), No. 1 Stud Size, Funnel Entry. Insulation support helps to prevent wire damage in bending applications. Ring tongue design assures a secure connection in high vibration applications. Brazed seam protects terminal barrel from splitting during the crimp process. Internal barrel serrations assure good wire contact and maximum tensile strength. UL Flammability UL 94V, maximum insulation temperature 221 degrees Fahrenheit (15 degrees Celsius). UL and CSA rated up 6 Volts per UL 486A/B. Standard Package.