You're looking for information on the IEC 61936-1 standard. Here's what I found:
Disclaimer: This article is for informational purposes. Always refer to the official IEC 61936-1:2021 document for legal and technical compliance. iec 61936-1 pdf
IEC 61936-1 does not stand alone; it references and complements numerous IEC standards: You're looking for information on the IEC 61936-1 standard
Some key aspects of the standard include: 1 kV AC (alternating current) and 1