IEC - Technical work > Horizontal standards

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Horizontal standards

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	Definitions
	List of horizontal standards

Horizontal standards are assigned by the Standardization Management Board (SMB) with the purpose of:

Ensuring the coherence of the corpus of standardization documents;
Avoiding duplication of work and contradictory requirements.

Definitions

The following definitions are taken from IEC Guide 108 (restricted access):

horizontal standard
standard on fundamental principles, concepts, terminology or technical characteristics, relevant to a number of technical committees and of crucial importance to ensure the coherence of the corpus of standardization documents

product publication
publication covering a specific product or group of related products

NOTE In this guide, the term product includes items such as process, service, installation and combinations thereof, commonly known as systems.

TC/SCs with horizontal standards

Click on links for the list of horizontal standards by TC/SC.

TC/SC	Title
1	Terminology (note: all TC 1’s publications have been designated as horizontal standards)
3	Information structures, documentation and graphical symbols
3C	Graphical symbols for use on equipment
3D	Data sets for libraries
8	Systems aspects for electrical energy supply
28	Insulation co-ordination
42	High voltage testing techniques
65A	System aspects
104	Environmental conditions, classification and methods of test
111	Environmental standardization for electrical and electronic products and systems
112	Evaluation and qualification of electrical insulating materials and systems