Automatic electrical controls for household and similar use - Part 1: General requirements (IEC 60730-1:1999, modified + A1:2003, modified + A2:2007, modified) (english version)
Switches for household and similar fixed-electrical installations - Part 1: General requirements (IEC 60669-1:1998, modified + A1:1999, modified + A2:2006, modified) (english version)
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)