Banana Plug Contact Finish Nickel Plated Contact Material Brass Maximum Current 20 A Color Red Body Material Brass Maximum Voltage 1 000 V Instrument Safety Rating CAT III 1000V Length 2 1/8 in Features Sheathed Maximum Operating Temperature 176 Degrees F Wire Size 18 AWG Standards IEC 61010-2-031 Minimum Operating Temperature 14 Degrees F Insulation Material Nylon