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Welding leads are heavy-duty cables that connect the welding machine to the electrode holder and the ground clamp. They’re designed to carry high currents necessary for welding processes.
Welding clamps include both the electrode holder, which holds the welding electrode and conducts the current, and the ground clamp, which connects to the workpiece to complete the electrical circuit and ensure a stable ground connection for consistent weld quality.
Welding leads and clamps are commonly used in stick/MMA welding, structural steel welding, fabrication and metalwork, and maintenance and repairs.
Our range of welding leads and clamps for hire includes earth leads, earth clamps, pipe chain clamps, welding lead sets and extension cables. Ready to plug in and weld, they’re suitable for all types of welders.
Yes, our welding leads are versatile and suitable for various types of welders, including MIG, TIG and Stick welders.
A standard welding earth clamp with a simple jaw works well on clean, flat steel, but spring-loaded or screw-type clamps usually give more consistent, low-resistance contact. Their higher clamping force bites through mill scale, paint or slight curvatures, reducing arc wander and overheating. It’s best to choose mechanical clamps when surface conditions are not ideal.
Voltage drop becomes noticeable when welding leads exceed roughly 15–20 metres for 35 mm² cable at 250 A. Heavier 70–95 mm² leads can stretch to 30 metres before arc stability suffers. As a rule, keep total lead length as short as practical and upsize cable cross-section whenever runs must exceed 20 metres.