Non-Insulated Butt Splice Connectors - Non-Insulated Butt Splice Connectors for electrical splicing. Non-Insulated Butt Splice Connector Material: Electrolytic Tubular Copper Electro-Tin Plated for corrosion resistance Splice Connector has Center Wire Stop Barrier Maximum Electric Current: 26 AWG - 5.5 Amp, 24 AWG - 7 Amp, 22 AWG - 9 Amp, 20 AWG - 12 Amp, 18 AWG - 17 Amp, 16 AWG - 18 Amp, 14 AWG - 30 Amp, 12 AWG - 35 Amp, 10 AWG - 50 Amp, 8 AWG - 70 Amp, 6 AWG - 95 Amp, 4 AWG - 125 Amp