Iec 6193612021 Link -

You mentioned the "link." In the context of this standard, the "link" is often interpreted as the connection between (the installation standard) and IEC 61936-2 (which covers definitions).

You can access the standard IEC 61936-1:2021 through the IEC website or other authorized distributors. iec 6193612021 link

Does not apply to overhead/underground lines between separate installations, electrified railways, mining equipment, or medical X-ray equipment. IEC Webstore Significant Technical Changes (2021 Update) You mentioned the "link