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ISO
ISO/IEC TS 17021-12:2020
En Vigor
2020-04-17
Conformity assessment — Requirements for bodies providing audit and
certification of management systems — Part 12: Competence requirements
for auditing and certification of collaborative business relationship
management systems
IEC
IEC 61340-4-1:2003
En Vigor
2003-12-11
Electrostatics - Part 4-1: Standard test methods for specific
applications - Electrical resistance of floor coverings and installed floors
IEC
IEC 60974-4:2025
En Vigor
2025-06-03
Arc welding equipment - Part 4: Periodic inspection and testing
IEC
IEC TR 60909-2:2008
En Vigor
2008-11-13
Short-circuit currents in three-phase a.c. systems - Part 2: Data of
electrical equipment for short-circuit current calculations
