The Lincoln stick welder AC/DC 225/125 Description: Easy to operate - With front mounted AC/DC polarity switch; Smooth arc - Makes it easy to weld with different electrodes; 125 amp DC output - Enough for most 1/8” (3.2 mm) electrodes; 225 amp AC output - Enough for 3/16” (4.8 mm) diameter general purpose mild steel electrodes; NEMA rated, UL listed and CSA approved