If you are looking for the official document, you can access the IEC 61936-1:2021 link via the IEC Webstore or authorized resellers like IHS Markit and ANSI. Why IEC 61936-1:2021 Matters
Standardizing clearances and insulation levels. Key Changes in the 2021 Edition iec 6193612021 link
Note: It does not apply to the design of manufactured switchgear (covered by IEC 62271) or overhead lines/underground cables themselves. How to Implementation the Standard If you are looking for the official document,
Power systems within large-scale commercial or industrial buildings. engineering teams should follow these steps:
Minimizing risks of electric shock and arc flash.
To stay compliant, engineering teams should follow these steps: