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 Publications
TC 3 Information structures, documentation and graphical symbols Publications
SC 3C Graphical symbols for use on equipment Publications
SC 3D Data sets for libraries Publications
TC 8 Systems aspects for electrical energy supply Publications
TC 28 Insulation co-ordination Publications
TC 42 High-voltage testing techniques Publications
SC 65A System aspects Publications
TC 101 Electrostatics Publications
TC 104 Environmental conditions, classification and methods of test Publications
TC 111 Environmental standardization for electrical and electronic products and systems Publications
TC 112 Evaluation and qualification of electrical insulating materials and systems Publications