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EVS-EN 61666:2010+A1:2021

Industrial systems, installations and equipment and industrial products - Identification of terminals within a system (IEC 61666:2010 + IEC 61666:2010/A1:2021)

General information

Valid from 15.11.2021
Base Documents
IEC 61666:2010; EN 61666:2010; EN 61666:2010/A1:2021; IEC 61666:2010/A1:2021
ICS Groups
01.080.30 Graphical symbols for use on mechanical engineering and construction drawings, diagrams, plans, maps and in relevant technical product documentation
Directives or regulations
None

Standard history

Status
Date
Type
Name
15.11.2021
Main + amendment
EVS-EN 61666:2010+A1:2021
17.08.2021
Amendment
EVS-EN 61666:2010/A1:2021
04.11.2010
Main
EVS-EN 61666:2010
This International Standard establishes general principles for the identification of terminals of
objects within a system, applicable to all technical areas (for example mechanical engineering,
electrical engineering, construction engineering, process engineering). They can be used for
systems based on different technologies or for systems combining several technologies.
Requirements for marking of terminal designations on products are not part of this publication.
NOTE The standard is based on the general principles for the structuring of systems including structuring of the
information about systems, established in the International Standard ISO/IEC 81346 series, published jointly by IEC
and ISO.

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Standards designation

EVS Estonian standard
EN European standard (published by an CEN or CENELEC)
EN ISO International standard adopted as an European standard
ISO International Organization for Standardization’s standard
IEC International Electrotechnical Commission’s standard
HD CENELEC’s harmonisation document
   
EVS-EN European standard implemented in Estonia
EVS-EN ISO International standard adopted in Europe and implemented in Estonia
EVS-EN ISO/IEC International standard/International electrotechnical standard adopted in Europe and implemented in Estonia
EVS-IEC International electrotechnical standard implemented in Estonia
EVS-ISO International standard implemented in Estonia
   
A, AMD amedment
+A a full standard plus the amendment
/A only amendment
COR, AC corrigendum
+COR a full standard plus the corrigendum
NA national annex
+NA a full standard plus the national annex
/NA only national annex
TS technical specification
TR technical report
CWA agreement, developed by a CEN or CENELEC
prEVS-EN (etc) draft standard
   
et the standard is in Estonian only
en the standard is in English only
et-en the standard is in Parallel text Estonian-English