Locking Fork Terminal, Expanded Vinyl Insulation, 22 - 16 American Wire Gauge (AWG), No. 6 Stud Size. Fork design provides for fast and easy installation, without the need to remove fastener. Expanded wire entry designed to accommodate wire with a larger insulation thickness. Locks in place for secure connection. Insulation support helps to prevent wire damage in bending 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-0, maximum insulation temperature 221 degrees Fahrenheit (105 degrees Celsius). UL and CSA rated up to 600 Volts per UL 486A/B. Standard Package.