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IEC 60335 1 2010 A1 2013 deals with the safety of electrical appliances for household and similar purposes their rated voltage being not more than 250 V for single phase appliances and 480 V for other appliances Battery operated appliances and other d c supplied appliances are within the scope of this standard Appliances not intended for normal household use but which nevertheless may be a source of danger to the public such as appliances intended to be used by laymen in shops in light industry and on farms are within the scope of this standard Examples of such appliances are catering equipment cleaning appliances for commercial use and appliances for hairdressers The principal changes in this edition as compared with the fourth edition are as follows br updated the text of the standard to align with the most recent editions of the dated normative references br modified the functional safety requirements using programmable electronic circuits including software validation requirements br updated Clause 29 to cover insulation requirements subjected to high frequency voltages as in switch mode power supply circuits br updated Subclause 30 2 to further align the pre selection option with the end product test option br deleted some notes and converted many other notes to normative text br clarified requirements for class III constructions br The attention of 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 themselves 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 The contents of the corrigenda of July 2010 and April 2011 have been included in this copy b This consolidated version consists of the fifth edition 2010 and its amendment 1 2013 Therefore no need to order amendment in addition to this publication b