Wire range stamped on the surface for easy interpretation; Terminal barrel has butted seam; Serrated barrel provides excellent electrical contact & resistance to pull-out forces; Locking configuration of tang ensures a positive lock to terminal post increasing pull-out force resistance; 221°F (105°C) 600 Volts Max; Maximum electric 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; cULus listed