IEC 60320-2-3:2018 RLV contains both the official IEC International Standard and its Redline version. The Redline version is not an official document, it 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 60320-1:2018 applies with the following addition: This document applies to appliance couplers with a degree of protection against ingress of water higher than IPX0. This second edition cancels and replaces the first edition published in 1998 and Amendment 1:2004. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- Aligned with IEC 60320-1:2015.
- The scope is extended to cover current ratings up to and including 16 A.
- The scope is extended to cover Class I appliance couplers.
- The scope is extended to cover appliance couplers for hot and very hot conditions.
- Added classification regarding the use of retaining devices.
- Added classification for indoor and outdoor use.