...an electric power source, responsible for providing necessary flow of electricity. This device provides high-power constant voltage supply. This type of electricity is required for a few kinds of welding, but most usually utilized for arc-type. Types of current affect the parameters and peculiarities of arc welding, and both direct and alternating currents are utilized. Plasma cutters are similar in purpose, they just supply electric current to different devices. You can buy plasma cutting and welding power sources on our website for the best prices on the market. Find great deals on MegaDepot.