IEC 60335-2-90:2015-Household and similar electrical appliances-Safety-Part 2-90: Particular requirements for commercial microwave ovens, IEC 61326-3-2:2017-Electrical equipment for measurement, IEC 60601-1-8:2006/AMD1:2012-Amendment 1-Medical electrical equipment-Part 1-8: General requirements for basic safety and essential performance-Collateral