The different welding earthing clamps in the market are used to connect the ground cable to the piece that one is working on. You can connect the unit you have to what you are working on or the working surface where the project is placed. The grounding is critical as it is a backup pathway that offers an alternating route for the current to make its way back to the ground. This process is vital as it ensures that the users are safe if there is a fault in the wiring system. Grounding the current is vital for many reasons. Do not continue with a project without this useful addition, as the safety codes of the welding industry insist on the inclusion of the same in the circuit.