High-voltage switchgear and controlgear -- Part 104: Alternating current switches for rated voltages higher than 52 kV ( IEC 62271-104:2015) (english version)
Superconductivity - Part 14: Superconducting power devices - General requirements for characteristic tests of current leads designed for powering superconducting devices (IEC 61788-14:2010) (english version)
Current and voltage sensors or detectors, to be used for fault passage indication purposes -- Part 1: General principles and requirements (IEC 62689-1:2016) (english version)