Electrical apparatus for explosive gas atmospheres - Part 4: Method of test for ignition temperature - First supplement. *Note.-This supplement applies also to the second edition of 1975— 5 стр.
Safety of household and similar electrical appliances - Part 2: Particular requirements for humidifiers intended for use with heating, ventilation, or air-conditioning systems— 33 стр.
Specification for safety of household and similar electrical appliances., Particular requirements for electrical heat pumps, air-conditioners and dehumidifiers— 34 стр.