IEC 63159-2-2-2021 Household electric instantaneous water heaters - Methods for measuring the performance - Part 2-2: Efficiency of single point of use electric instantaneous water heaters

IEC 63159-2-1-2021 Household electric instantaneous water heaters - Methods for measuring the performance - Part 2-1: Multifunctional electric instantaneous water heaters IEC 63159-1-2021 Household electric instantaneous water heaters - Methods for measuring the performance - Part 1: General aspects IEC 63155-2020 Guidelines for the measurement method of power durability for surface acoustic wave (SAW) and bulk acoustic wave (BAW) devices in radio frequency (RF) applications IEC 63169-2020 Electrical household and similar cooling and freezing appliances - Food preservation IEC 63171-1-2020 Connectors for electrical and electronic equipment - Part 1: Detail specification for two-way, shielded or unshielded, free and fixed connectors - Mechanical mating information, pin assignment and additional requirements for Type 1 copper IEC 63171-2-2021 Connectors for electrical and electronic equipment - Part 2: Detail specification for 2-way, shielded or unshielded, free and fixed connectors: mechanical mating information, pin assignment and additional requirements for type 2