IEC 61936-1:2021 pdf download,Power installations exceeding 1 kV AC and 1,5 kV DC – Part 1: AC.
IEC 61936-1:2021 provides requirements for the design and the erection of electrical power installations in systems with nominal voltages exceeding 1 kV AC and nominal frequency up to and including 60 Hz, so as to provide safety and proper functioning for the use intended.