TC 3	Documentation, graphical symbols and representations of technical information

Convenor		National Committee
Mr Eirik Selvik		NO

Member	National Committee
Ms guifen ma	CN
Ms Hong MA	CN

MT 23

Maintenance team of IEC 60152, IEC 60757 and IEC 61293

To monitor the needs for revision of the:

IEC 60152 - Identification by hour numbers of the phase conductors of 3-phase electric systems;

IEC 61293 - Marking of electrical equipment with ratings related to electrical supply - Safety requirements;