Historical
IEC 60335-2-25 Ed. 5.2 b:2006
Household and similar electrical appliances - Safety - Part 2-25: Particular requirements for microwave ovens, including combination microwave ovens"
Deals with the safety of microwave ovens for household use. The rated voltage is less than 250 V. It also deals with combination microwave ovens. For commercial microvave ovens, see IEC 60335-2-90.
International Electrotechnical Commission [iec]