There's a lot going on with the arc in gas metal arc welding, let's break it down. In Gas Metal Arc Welding (GMAW), there are several variations of modes that the arc operates in. Understanding how this works makes it easier to dial in settings and get a high quality weld. ***Affordable self-paced welding courses taught by me*** https://courses.timwelds.com/ Affiliate Discounts for Friends of the Channel: Save 5% off high quality welding equipment the widest variety of accessories I've seen anywhere at usaweld.com with discount code TIMWELDS Save 10% off your order of weld practice material or kits at weldmetalsonline.com with discount code TIMWELDS Save 5% off saws, drills and accessories at https://store.evolutionpowertools.com/ with the discount code TIMWELDS ***Use of these discount codes provides a commission to the channel to help support the making of these videos