International Standards and Conformity Assessment for all electrical, electronic and related technologies


Standardization Management Board


Definition of terms

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

SMB and 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.

These definitions are taken from:
IEC Guide 108

TCs with Horizontal Standards

TC 1 Terminology PUB
TC 3 Information structures, documentation and graphical symbols PUB
SC 3C Graphical symbols for use on equipment PUB
SC 3D Data sets for libraries PUB
TC 8 Systems aspects for electrical energy supply PUB
TC 28 Insulation co-ordination PUB
TC 42 High-voltage testing techniques PUB
SC 65A System aspects PUB
TC 104 Environmental conditions, classification and methods of test PUB
TC 111 Environmental standardization for electrical and electronic products and systems PUB
TC 112 Evaluation and qualification of electrical insulating materials and systems PUB