Twist On Wire Connector, Color Blue, For Conductor Material Copper, Maximum Operating Temperature 221 Degrees F, Maximum Voltage 300 V, Minimum Wire Combination (5) 22 AWG, Maximum Wire Combination (1) 14 AWG with (1) 18 AWG, Contact Material Steel, Maximum Conductors 5, Standards CSA Certified, UL Listed, Wire Connector Style Wing, Insulation Material Vinyl, Maximum Single Wire Size 16 AWG, Minimum Single Wire Size 22 AWG, Overall Height 0.67 in, Overall Width 0.39 in, RoHS Compliant Yes