This standard deals with the safety of electrically operated dishwashing machines for washing plates, dishes, glassware, cutlery and similar articles, with or without means for water heating or drying, not intended for household use, their rated voltage being not more than 250 V for single-phase appliances connected between one phase and neutral and 480 V for other appliances.NOTE 101 These machines are used for example in restaurants, canteens, hospitals, and commercial interprises such as bakeries, butcheries, etc.NOTE 102 Examples of such machines are- conveyor dishwashers;- batch dishwashers;- brush machines.Requirements to avoid backsiphonage of non-po