Mueller Insulated Banana Jack to Standard Banana PlugInsulated banana jack to standard banana plug with nickel plated brass body, nickel plated beryllium copper cage spring and nylon or PVC insulator. This plug adapter is 66.3mm in length and mates with insulated, non insulated and retractable banana plugs.Hands free testing rated to 1000V, 1500V & 5000V DC @ 15A options availableSuitable for use with 18AWG, 20AWG & 22AWG wiresAvailable in push fit, crimp or solder termination depending on the application