IEC · International Electrotechnical Commission
The international electrotechnical standards body; its installation and equipment series govern designs outside North America, where the NEC and ANSI stack does not apply.
Current numbers
2023 → 2026ISO/IEC 42001 (first AI management-system standard) from publication to operationalized certification bodies
Parts 2/3/6/8/9ISO/IEC 30134 KPIs: PUE, REF, ERF, CUE, WUE (Part 4 ITEEsv for server efficiency)
SL1-SL4IEC 62443 security requirements derive from risk and zone/conduit assessment; topology or destructive authority does not award a level