A welding torch includes a holdable torch gun having a first connection for hook up to a gas or water supply, and a second connection for hook up to a power supply. The gun has a discharge barrel with an outlet end, and a handle extending downwardly from the discharge barrel. The discharge barrel has a front facing in a same direction as the outlet end of the discharge barrel. The handle has a variable power trigger that is spring loaded and biased away from the handle. The trigger has an unsqueezed position with no current flow, a fully squeezed position with full current flow and a range of motion area between the unsqueezed position and the fully squeezed position with a range of current flow. The handle also has an amperage control mechanism located therein that is connected to the second connection.