IEC standards download IEC 60974-8:2021 pdf download – Arc welding equipment – Part 8: Gas consoles for welding and plasma cutting systems IEC 60974-8:2021 pdf download - Arc welding equipment – Part 8: Gas consoles for welding and plasma cutting systems. 4 Environmental conditions As specified in Clause 4 of IEC 60974-1 :201 7. 5 Tests 5.1 Test conditions... 03-02 Download Now