What is BS EN 60974-4 - Periodic inspection and testing of Arc welding about?
BS EN 60974-4 is an international standard that specifies test procedures for periodic inspection and, after repair, to ensure electrical safety. These test procedures are also applicable for maintenance. It provides the best industrial guidance for industries that benefit for the manufacturing of high-quality valves.
BS EN 60974-4 is applicable to power sources for arc welding and allied processes designed.
Stand-alone ancillary equipment designed in accordance with other parts of IEC 60974 may be tested in accordance with relevant requirements.
Note: BS EN 60974-4 is not applicable to testing of new power sources or engine-driven power sources.
Who is BS EN 60974-4 - Periodic inspection and testing of Arc welding for?
BS EN 60974-4 on Periodic inspection and testing of Arc welding is useful for:
- Arc welding industries
- Testing laboratories
- Inspection authorities of arc welding
Why should you use BS EN 60974-4 - Periodic inspection and testing of Arc welding?
BS EN 60974-4 guidance helps conducttest procedures for periodic inspection and to ensure electrical safety.
BS EN 60974-4 guidance helps you improve the quality of Arc welding.
BS EN 60974-4 test procedures are applicable for maintenance purposes.
With compliance to BS EN 60974-4, you can enhance the efficiency or efficacy of arc welding equipment.
What’s changed since the last update?
BS EN 60974-4:2016 supersedes BS EN 60974-4:2011. BS EN 60974-4:2016 includes some technical changes with respect to BS EN 60974-4:2011. These include:
- With regard to basic standards the term "leakage current" has been replaced by "touch current" and "protective conductor current"
- Measurements of circuits connected in a non-galvanic way shall be tested according to the information of the manufacturer
- The order of the chapters dealing with measurements to be carried out has been changed
- The example test report in Annex B has been adapted

