TC 1 - Terminology

IEC 60050-726:2025 gives the terms and definitions for the wide area of transmission lines and waveguides and the related technologies, from the physics to their applications representing the present state-of-the–art. This new edition reviews and complements the previous one. It has the status of a horizontal standard in accordance with IEC Guide 108.
This terminology is consistent with the terminology developed in the other specialized parts of the IEV.
This horizontal publication is primarily intended for use by technical committees in the preparation of IEC publications in accordance with the principles laid down in IEC Guide 108.
One of the responsibilities of a technical committee is, wherever applicable, to make use of horizontal publications in the preparation of its publications.

IEC 60050-872:2022 gives the general terminology used to describe accessibility and terms that writers of standards need when writing and designing International Standards. It has the status of a horizontal publication in accordance with IEC Guide 108. This terminology is consistent with the terminology developed in the other specialized parts of the IEV.

This part of IEC 60050 gives the general terminology used for electrical installations such as
those of residential, industrial or commercial premises. It does not cover systems for distribution
of energy to the public or power generation and transmission for such systems. This new edition
reviews and complements the previous one. An important aim of the revision is to achieve
compliance with IEC 61140:2016. In addition, some new terms have been added from
IEC 60364-8-1:2014 and IEC 60364-8-2:2018. It has the status of a horizontal publication in
accordance with IEC Guide 108, Guidelines for ensuring the coherence of IEC publications –
Horizontal functions, horizontal publications and their application.
This terminology is consistent with the terminology developed in the other specialized parts of
the IEV.
This horizontal publication is primarily intended for use by technical committees in the
preparation of IEC publications in accordance with the principles laid down in IEC Guide 108.
One of the responsibilities of a technical committee is, wherever applicable, to make use of
horizontal publications in the preparation of its publications

IEC 60050-417:2022 gives the general terminology used in the domain of marine energy conversion systems for wave, tidal and other water current converters, as well as general terms pertaining to specific applications and associated technologies. It has the status of a horizontal publication in accordance with IEC Guide 108. This terminology is consistent with the terminology developed in the other specialized parts of the IEV.

IEC 60050-195:2020 gives the fundamental terms and definitions concerning earthing and protection against electric shock. This new edition reviews and complements the previous one. It has the status of a horizontal publication in accordance with IEC Guide 108. This terminology is consistent with the terminology developed in the other specialized parts of the IEV.

IEC 60050-845:2020 gives the general terminology used in lighting, as well as general terms pertaining to specific applications and associated technologies. This second edition reviews and complements the previous one. It has the status of a horizontal publication in accordance with IEC Guide 108. This terminology is consistent with the terminology developed in the other specialized parts of the IEV.