TS IEC 60050-845
International electrotechnical vocabulary (IEV) - Part 845: Lighting
This part of IEC 60050 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 standard in accordance
with IEC Guide 108, Guidelines for ensuring the coherency of IEC publications – Application of
horizontal standards.
This terminology is consistent with the terminology developed in the other specialized parts of
the IEV.
This horizontal standard is primarily intended for use by technical committees in the preparation
of standards 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 standards in the preparation of its publications.
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About This Item
TS IEC 60050-845 is the part of the International Electrotechnical Vocabulary that collects the general terminology used in lighting, together with general terms related to specific applications and associated technologies. Rather than defining performance requirements, it provides a controlled technical vocabulary for lighting-related standards and documents.
What this lighting vocabulary covers
In general technical context, lighting terminology spans concepts such as light source, luminaire, illuminance, light distribution, and other core terms used when describing how light is produced, shaped, directed, and applied. Because lighting is used in architectural, indoor, outdoor, industrial, and specialty contexts, consistent terminology is essential for clear design communication and for avoiding ambiguity in standards and specifications.
This second edition reviews and complements the previous one. It also has the status of a horizontal standard, meaning it is intended to support consistency across IEC publications and to be used by technical committees when preparing standards in line with the horizontal-standard principles of IEC Guide 108.
Why the horizontal-standard status matters
- Helps align terminology with other specialized IEV parts.
- Reduces inconsistent naming of the same concept across publications.
- Supports clearer drafting of lighting-related application and technology standards.
- Provides a common vocabulary base for technical committees working across IEC documents.
- Publication Date: 30.09.2021
- Standard Status: U (Yürürlükteki Standard/Standard)
- Publisher: TSE
- Document Language: en
- ICS Classification: 01.040.01 Genellemeler,Terminoloji,Standardizasyon,Dökümantasyon (Terimler); 01.040.91 Yapı Malzemeleri ve Yapılar (Terimler); 29.020 Elektrik Mühendisliği (Genel) ; 91.160.01 Aydınlatma (Genel)
- Pages: 1038
- Source Standard: IEC 60050-845:2020
- International Equivalents: IEC 60050-845-EQV
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