IEC 60335-2-2:2009 deals with the safety of electric vacuum cleaners and water-suction cleaning appliances for household and similar purposes, including vacuum cleaners for animal grooming, their rated voltage being not more than 250 V. It also applies to centrally-sited vacuum cleaners and automatic battery-powered cleaners. This standard also applies to motorized cleaning heads and current-carrying hoses associated with a particular vacuum cleaner. The principal changes in this edition as compared with the fifth edition of IEC 60335-2-2 is as follows: The text is aligned with IEC 60335-1:2001, and its amendments 1 and 2. The attention of the National Committees is drawn to the fact that equipment manufacturers and testing organizations may need a transitional period following publication of a new, amended or revised IEC publication in which to make products in accordance with the new requirements and to equip thenselves for conducting new or revised tests. It is the recommendation of the committee that the content of this publication be adopted for implementation nationally not earlier than 12 months or later than 36 months from the date of publication. Key words: Cleaning appliances, water-suction, vacuum. The contents of the corrigendum of December 2016 have been included in this copy. This publication is to be read in conjunction with IEC 60335-1:2010.