IEC - TC 3 Dashboard > Structure: Subcommittee(s) and/or Working Group(s), Membership, Officers, Liaisons

TC 3	Documentation, graphical symbols and representations of technical information

Label	Title
Subcommittees
SC 3C	Graphical symbols for use on equipment
SC 3D	Classes, Properties and Identification of products - Common Data Dictionary (CDD)
Maintenance Teams
MT 21	Maintenance team of IEC 62027 and IEC 61082
MT 22	Maintenance team of IEC 60445 and IEC 60447
MT 23	Maintenance team of IEC 60152, IEC 60757 and IEC 61293
MT 60073	Maintenance of IEC 60073
MT 60617	Maintenance of IEC 60617DB
MT 60848	Maintenance of IEC 60848
MT 61175	Maintenance of IEC 61175
MT 61666	Maintenance of IEC 61666
MT 62023	Maintenance of IEC 62023
MT 62491	Maintenance of IEC 62491
MT 62507	Maintenance of IEC 62507
MT 62744	Maintenance of IEC 62744
MT 81346	Maintenance of the IEC 81346 series
MT 81714	Maintenance of the IEC 81714 series
MT 82045	Maintenance of IEC 82045
Joint Working Groups
JWG 16	Maintenance of IEC 82079 series
JWG 17	Documentation of communication in power utility automation linked to TC 57
JWG 18	Revision of IEC 81355-1 (former IEC 61355-1), to replace the existing MT 61355 linked to ISO/TC 10/SC 10
Advisory Groups
AG CAG	Chair Advisory Group
Validation Teams
VT 60617	Validation team for IEC 60617 - Graphical symbols for diagrams

Country	Country Code	P/O Status	IEC Membership
Austria	AT	P-Member	Full Member
Belgium	BE	O-Member	Full Member
Bulgaria	BG	O-Member	Full Member
China	CN	P-Member	Full Member
Czech Republic	CZ	P-Member	Full Member
Denmark	DK	P-Member	Full Member
Egypt	EG	O-Member	Full Member
Finland	FI	P-Member	Full Member
France	FR	P-Member	Full Member
Germany	DE	P-Member	Full Member
Hungary	HU	O-Member	Full Member
India	IN	P-Member	Full Member
Iran	IR	O-Member	Full Member
Israel	IL	O-Member	Full Member
Italy	IT	P-Member	Full Member
Japan	JP	P-Member	Full Member
Korea, Republic of	KR	O-Member	Full Member
Netherlands	NL	P-Member	Full Member
Norway	NO	P-Member	Full Member
Pakistan	PK	P-Member	Full Member
Poland	PL	O-Member	Full Member
Portugal	PT	O-Member	Full Member
Romania	RO	O-Member	Full Member
Russian Federation	RU	P-Member	Full Member
Serbia	RS	O-Member	Full Member
Singapore	SG	O-Member	Full Member
Slovenia	SI	O-Member	Full Member
Spain	ES	O-Member	Full Member
Sweden	SE	P-Member	Full Member
Switzerland	CH	O-Member	Full Member
Ukraine	UA	O-Member	Full Member
United Kingdom	GB	P-Member	Full Member
United States of America	US	P-Member	Full Member

Chair	Mr Eirik Selvik (NO) Term of office : 2023-11	Send Email
Secretary	Mr Mikael Törnkvist (SE)	Send Email
Assistant Secretary	Mr Thomas Borglin (SE)	Send Email
Assistant Secretary	Mr Anders Malmberg (SE)	Send Email

Technical Officer	Mr Miroslav Siket	Send Email
Standards Project Administrator	Ms Izabela Witik	Send Email
Editor	Mrs Lucy Sonner	Send Email

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Committee	Description	Incoming liaison representative	Outgoing liaison representative
Internal IEC Liaison
TC 44	Safety of machinery - Electrotechnical aspects		Mr Arto Sirviö
TC 57	Power systems management and associated information exchange		Mr Erik Wejander
TC 65	Industrial-process measurement, control and automation		Mr Arto Sirviö
SC 121A	Low-voltage switchgear and controlgear	Mr Philippe JUHEL
ISO/IEC JTC 1/SC 25	Interconnection of information technology equipment
Liaison ISO
ISO/TC 10	Technical product documentation	Mr Sven Radhe	Mr Sven-Anders Lejdeby Mr Eirik Selvik
ISO/TC10/SC1	Basic Conventions	Mr Hiroaki IKEDA
ISO/TC 10/SC 10	Process plant documentation and tpd-symbols	Mr Heinrich Byzio Mr Kurt Löwnertz
ISO/TC 59/SC13	Development of building data related standards	Mr Gunnar Friborg

Working Groups	Description	Organization	Incoming liaison representative	Outgoing liaison representative
Liaison C
JWG 16	Maintenance of IEC 82079 series	IEEE-SA

TC 3