IEC 61386-21:2021 ED2

Conduit systems for cable management - Part 21: Particular requirements - Rigid conduit systems IEC 61386-21:2021 ED2

Publication date:   Apr 12, 2021

General information

60.60 Standard published   Apr 12, 2021


TC 23/SC 23A

International Standard

29.120.10   Conduits for electrical purposes



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IEC 61386-21:2021 is available as IEC 61386-21:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.

IEC 61386-21:2021 specifies the requirements for rigid conduit systems. This document is to be used in conjunction with IEC 61386-1:2008 and IEC 61386‑1:2008/AMD1:2017. This second edition cancels and replaces the first edition published in 2002. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- Subclause 7.1.103 has been added requiring the manufacturer to declare whether the conduit is bendable;
- Annex AA has been added to provide guidance on the application of a constantly increasing force.

Life cycle


IEC 61386-21:2002 ED1


IEC 61386-21:2021 ED2
60.60 Standard published
Apr 12, 2021