BS 638-10: 1990 EN 60 974-1: 1990 : Arc welding power sources, equipment and accessories — Part 10: Specification for safety requirements for arc welding equipment: welding power sources
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This standard is applicable to power sources for arc welding and allied processes designed for industrial and professional use and supplied by voltage within the low voltage range (as specified in IEC Publication 38) or driven by mechanical means.
BS 638-10: 1990 EN 60 974-1: 1990 : Arc welding power sources, equipment and accessories — Part 10: Specification for safety requirements for arc welding equipment: welding power sources