Disconnect can be inserted and removed from the male tab without the use of tools for lower installed cost. Premium nylon insulation retains its shape when crimped and provides a tight grip around the wire insulation for maximum strain relief. Fully insulated design provides protection from electrical shorts. Internal wire stop assures proper length of insertion into terminal barrel, providing a higher quality connection. UL Flammability UL 94V-2. maximum insulation temperature 221 Degrees Fahrenheit (105 Degrees Celsius). Rated up to 600 Volts.