The IEC (International Electrotechnical Commission) owns the copyright. Official PDFs are available for purchase from the or national bodies (e.g., ANSI in the US, BSI in the UK, DIN in Germany).
IEC 61936-1:2016 is a critical standard for power installations exceeding 1 kV AC and 1.5 kV DC. The standard provides a comprehensive framework for the design, construction, and maintenance of safe and reliable power installations. Compliance with IEC 61936-1 is essential for manufacturers, installers, and operators of power installations to ensure safety, reliability, and efficiency. iec 61936-1 pdf
IEC 61936-1 is intended for use by: