TC 109

Insulation co-ordination for low-voltage equipment

Label	Title
Maintenance Teams
MT 1	Principles, requirements and tests for clearances, creepage distances and solid insulation
MT 2	Coating, potting or moulding for protection against pollution
MT 3	High-frequency voltage stress with respect to insulation coordination of equipment within low-voltage systems
Joint Working Groups
JWG 4	Insulation coordination for equipment within a voltage range between 1 000 V and 2 000 V A.C. or between 1 500 V and 3 000 V D.C.

Country	Country Code	P/O Status	IEC Membership
Austria	AT	P-Member	Full Member
Belgium	BE	P-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
Finland	FI	O-Member	Full Member
France	FR	P-Member	Full Member
Germany	DE	P-Member	Full Member
Greece	GR	O-Member	Full Member
Hungary	HU	O-Member	Full Member
India	IN	O-Member	Full Member
Italy	IT	P-Member	Full Member
Japan	JP	P-Member	Full Member
Netherlands	NL	P-Member	Full Member
New Zealand	NZ	O-Member	Full Member
Norway	NO	P-Member	Full Member
Philippines, Rep. of the	PH	O-Member	Full Member
Poland	PL	O-Member	Full Member
Portugal	PT	O-Member	Full Member
Romania	RO	O-Member	Full Member
Russian Federation	RU	O-Member	Full Member
Serbia	RS	O-Member	Full Member
Singapore	SG	O-Member	Full Member
Slovakia	SK	O-Member	Full Member
Slovenia	SI	O-Member	Full Member
South Africa	ZA	O-Member	Full Member
Spain	ES	O-Member	Full Member
Sweden	SE	O-Member	Full Member
Ukraine	UA	O-Member	Full Member
United Kingdom	GB	O-Member	Full Member
United States of America	US	P-Member	Full Member

Chair	Mr Preben Holm Nielsen (DK) Term of office : 2022-08	Send Email
Secretary	Mr Toni Hoffmann (DE)	Send Email

Technical Officer	Ms Suzanne Yap	Send Email
Standards Project Administrator	Ms Poh Luan Teo	Send Email
Editor	Ms Christine Peterkin	Send Email

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Committee	Description	Incoming liaison representative	Outgoing liaison representative
Internal IEC Liaison
TC 9	Electrical equipment and systems for railways	Mr Jens Northe	Mr Jens Northe
TC 22	Power electronic systems and equipment	Mr Preben Holm Nielsen	Mr Preben Holm Nielsen
TC 23	Electrical accessories	Mr Jean-François REY	Mr Jean-François REY
TC 31	Equipment for explosive atmospheres	Mr Mark Coppler	Mr Mark Coppler
SC 37A	Low-voltage surge protective devices	Mr Hubert Bachl-Hesse
TC 42	High-voltage and high-current test techniques	Mr Heribert Schorn
TC 64	Electrical installations and protection against electric shock	Mr Malcolm H. Mullins
TC 66	Safety of measuring, control and laboratory equipment	Mr Ton Clerkx
TC 70	Degrees of protection provided by enclosures	Mr Peter Linnert
TC 82	Solar photovoltaic energy systems	Mr Guido Volberg
TC 96	Transformers, reactors, power supply units, and combinations thereof	Mr Wolfgang Reichelt
TC 99	Insulation co-ordination and system engineering of high voltage electrical power installations above 1,0 kV AC and 1,5 kV DC
TC 108	Safety of electronic equipment within the field of audio/video, information technology and communication technology	Mr Jos Remy	Mr Jos Remy
TC 112	Evaluation and qualification of electrical insulating materials and systems		Mr Toni Hoffmann
SC 121A	Low-voltage switchgear and controlgear	Mr Heribert Schorn
SyC LVDC	Low Voltage Direct Current and Low Voltage Direct Current for Electricity Access	Mr Preben Holm Nielsen