IEC 61326-1:2020-Electrical equipment for measurement, IEC 60730-1:2013/AMD2:2020-Amendment 2-Automatic electrical controls-Part 1: General requirements, IEC 60626-3:2008/AMD1:2012-Amendment 1-Combined flexible materials for electrical insulation-Part 3: Specifications for individual materials, IEC 61169-1-2:2019-Radio-frequency connectors-Part 1-2