Butt Splice, Heat Shrink, 22 - 18 American Wire Gauge (AWG). Designed to splice two solid or stranded wires together to repair or lengthen wires. Butted configuration provides low profile for limited space applications. Heat shrink polyolefin sleeve with hot melt adhesive protects against moisture. After crimping, heat shrink insulation is completed with a standard heat gun. Minimum continuous operating temperature -65 degrees Fahrenheit (-55 degrees Celsius). Maximum continuous operation temperature 230 degrees Fahrenheit (110 degrees Celsius). Shrink temperature 300 degrees Fahrenheit (150 degrees Celsius). UL and CSA rated up to 600 Volts per UL 486C.