2019IEC 60974-1:2019 Arc welding equipment - Part 13: Welding current return clamp
2017IEC 60974-1:2017 Arc welding equipment - Part 1: Welding power sources
2012IEC 60974-1:2012 Arc welding equipment - Part 1: Welding power sources
2005IEC 60974-1:2005 Arc welding equipment - Part 1: Welding power sources
2003IEC 60974-1/AMD2:2003 Arc welding equipment - Part 1: Welding power sources; Amendment 2
2000IEC 60974-1/AMD1:2000 Arc welding equipment - Part 1: Welding power sources; Amendment 1
2000IEC 60974-1:2000 Arc welding equipment - Part 1: Welding power sources
1998IEC 60974-1:1998 Arc welding equipment - Part 1: Welding power sources
1989IEC 60974-1:1989 Safety requirements for arc welding equipment; part 1: welding power sources
IEC 60974-1/AMD2:2003 Arc welding equipment - Part 1: Welding power sources; Amendment 2 was changed to IEC 60974-1:2005 Arc welding equipment - Part 1: Welding power sources.