Non-Insulated Ring Terminal Material: High Strength Electro-Tin Plated Copper. razed Seam. Serrated Barrel with Brazed Seam provides Excellent Electrical Contact & resistance to pull-out forces. Maximum Electrical Current: 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, 2 AWG - 170 Amp. 302°F(150°C) 600 Volts Max.