This part of IEC 60974 is applicable to clamps for arc welding processes, designed to make an electrical connection to the workpiece without using tools.
This part of IEC 60974 specifies safety and performance requirements of welding clamps.

Standard:

DIN EN IEC 60974-13 VDE 0544-13:2022-03

Arc welding equipment

Part 13: Welding current return clamp

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