This part of IEC 60974 specifies safety and construction requirements for liquid cooling systems intended to cool torches. These liquid cooling systems can be internal or external to power sources for arc welding and allied processes (see annex A). This
IEC 60974-2:2005 history
2019IEC 60974-2:2019 Arc welding equiment - Part 2: Liquid cooling systems
2013IEC 60974-2:2013 Arc welding equipment - Part 2: Liquid cooling systems
2007IEC 60974-2:2007 Arc welding equipment - Part 2: Liquid cooling systems
2005IEC 60974-2:2005 Arc welding equipment - Part 2: Liquid cooling systems
2002IEC 60974-2:2002 Arc welding equipment - Part 2: Liquid cooling systems