IEC standards download IEC 60974-13:2021 pdf download – Arc welding equipment – Part 13: Welding current return clamp IEC 60974-13:2021 pdf download - Arc welding equipment – Part 13: Welding current return clamp. 1 Scope This part of IEC 60974 is applicable to WELDING CURRENT RETURN CLAMPS for arc welding processes, designed to make an... 03-02 Download Now