IEC 62873-3-3:2022 is available as IEC 62873-3-3:2022 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.

IEC 62873-3-3:2022 applies to devices equipped with screw-type terminals of copper - or of alloys containing at least 58 % of copper (if worked cold) or at least 50 % of copper (if worked otherwise), or of other metal or suitably coated metal, no less resistant to corrosion than copper and having mechanical properties no less suitable – for use with untreated aluminium conductors, or with screw-type terminals of aluminium material for use with copper or aluminium conductors. This second edition cancels and replaces the first edition published in 2016. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- Modification of scope to address other devices in addition to RCDs;
- Modification of Clause 8 so that IEC 62873-3-3 can be referred to by other product standards in addition to those for RCDs;
- Modification of 9.1 so that IEC 62873-3-3 can be referred to by other product standards in addition to those for RCDs.