Where Should You Put the Welding Ground Clamp?
Every welding circuit needs a safe return route. Follow Current Line 01 from the power source to the arc—and safely back to the machine.
Current Has to Return to the Welder
The arc is not the end of the circuit. Current leaves the power source, travels through the torch and arc, crosses the workpiece, and returns through the work clamp and work lead.
Inspect What Lies Between the Arc and Clamp
Pull a route lever. Bearings, hinges, pivots, and sensitive electronics should not become part of the return path.
If a machine or vehicle contains electronic systems, follow its manufacturer’s welding and isolation procedure. Do not assume the current will automatically avoid sensitive components.
Which Platform Gives the Best Return?
Select a platform below the real shop scene. The recommended position is close to the weld, on continuous steel, but clear of direct heat and spatter.
PLATFORM APLATFORM BPLATFORM CPLATFORM D
A · Farther than necessary
The path is continuous, but more of the structure carries current than needed.B · Recommended stop
Clean steel on the same workpiece, close to the weld while remaining outside the immediate hot and high-spatter area.C · Too close to the arc
A short route is useful, but the clamp and cable should not be exposed to unnecessary heat and spatter.D · Across an uncertain connection
Do not rely on a joint, pivot, or intermittent contact to carry the return current.What Is Under the Clamp Jaws?
Insert a surface ticket into the inspection machine. A strong spring cannot create a reliable electrical connection through paint or heavy corrosion.
REJECTED · Paint
Remove the coating at the contact point. Tiny breaks in paint can concentrate current, heat, and arcing.SERVICE REQUIRED · Rust
Clean heavy oxidation until the clamp can bite firm, sound metal.CLEARED · Bare steel
Firm jaws on clean steel create the most predictable low-resistance connection.Clear Every Item Before Departure
Flip each line on the station board. The green departure notice appears only after the complete work-lead path has been checked.
READY TO WELD
Keep the Whole Setup Ready
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