If you are in any of the following roles, you should have a legitimate copy accessible:
In many countries, local electrical codes are harmonized with IEC 61936-1. For instance, in the European Union, it is often cited alongside EN 61936-1 (identical text). In some Middle Eastern and Asian nations, it is adopted directly as a national standard. iec 61936-1 pdf
When you download or purchase an IEC 61936-1 pdf, you are not just buying a file—you are buying a risk-management tool. Here is why compliance is critical: If you are in any of the following
For installations that include both high and low voltage (e.g., a substation with a 20 kV/0.4 kV transformer), IEC 61936-1 works alongside IEC 60364 (low-voltage electrical installations). The interface point is clearly defined: the low-voltage side of the transformer falls under IEC 60364, while the high-voltage side (including the transformer’s HV bushings) is governed by IEC 61936-1. In many countries, local electrical codes are harmonized