Safety of power transformers, power supplies, reactors and similar products - Part 1: General requirements and tests (IEC 61558-1:2005 + A1:2009) (english version)
Safety requirements for electrical equipment for measurement, control and laboratory use - Part 1: General requirements (IEC 61010-1:2010) (english version)
Audio/video, information and communication technology equipment -- Part 1: Safety requirements (IEC 62368-1:2014, modified + Cor.:2015) (english version)