Twist On Wire Connector, Color Blue, For Conductor Material Copper, Maximum Operating Temperature 221 Degrees F, Maximum Voltage 600 V, Minimum Wire Combination (6) 14 AWG, Maximum Wire Combination (3) 8 AWG, Contact Material Steel, Standards UL Listed, Insulation Material Polypropylene, Maximum Single Wire Size 6 AWG, Minimum Single Wire Size 14 AWG, Special Features Accommodates a Wire Range of 1,5 - 2,5 Mm2 Solid or Stranded, Robust Spring Design for High Performance Holding Power