IEC 62648:2022 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.

IEC 62648:2022 document provides guidelines to help ensure that the requirement in ISO/IEC Directives, Part 2:2021, 28.6.2 is met, such that graphical symbols for use on equipment in IEC product publications are consistent with the requirements of horizontal publications IEC 60417, and ISO 7000. This document is intended to be used by any IEC and ISO committees to develop graphical symbols for use on equipment for inclusion in their product publications. This document is based on and develops upon IEC Guide 108:2019, Clause 8. For the creation of new graphical symbols for use on equipment, IEC 80416-1 and ISO 80416 2 are applied. For the application of standardized graphical symbols for use on equipment, IEC 80416-3 and ISO 80416-4 are applied. This horizontal publication is primarily intended for use by committees in the preparation of publications in accordance with the principles laid down in IEC Guide 108. One of the responsibilities of a committee is, wherever applicable, to make use of horizontal publications in the preparation of its publications. The contents of this horizontal publication will not apply unless specifically referred to or included in the relevant publications. IEC 62648:2022 cancels and replaces the first edition published in 2012 and Amendment 1:2015. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) new terms and definitions in IEC Guide 108 have been incorporated;
b) the designation "IEC 60417 SDB" has been introduced following the publication of IEC Supplement:2022, Annex SK;
c) Subclause 6.3 has been adapted in line with IEC Guide 108:2019, Clause 8.