This International Standard specifies methods for measuring the performance of clotheswashing machines for household use, with or without heating devices utilising cold and/or hot water supply. It also deals with appliances for water extraction by centrifugal force (spin extractors) and is applicable to appliances for both washing and drying textiles (washerdryers) with respect to their washing related functions. This International Standard also covers washing machines which specify the use of no detergent for normal use.NOTE 1 Tumble dryer performance is assessed to IEC 61121.The object is to state and define the principal performance characteristics of el