Insulation coordination for equipment within low-voltage systems - Part 3: Use of coating, potting or moulding for protection against pollution— 77 стр.
Safety requirements for electrical equipment for measurement, control and laboratory use - Part 1: General requirements (IEC 61010-1:2010) (english version)
Residual current operated circuit-breakers without integral overcurrent protection for household and similar uses (RCCBs) -- Part 1: General rules (IEC 61008-1:2010, modified + A1:2012, modified + A2:2013, modified + A2:2013/Cor.:2014) (english version)
Safety of transformers, reactors, power supply units and combinations thereof - Part 1: General requirements and tests (IEC 61558-1:2017) (english version)