IEC 60704-2-13:2011(E) applies to electrical range hoods for household and similar use intended for filtering the air of a room or for exhausting the air out of a room, including their accessories and their component parts. It also applies to range hoods with an external fan which may be mounted inside or outside of the room where the range hood is located. This second edition cancels and replaces the first edition (2000) and constitutes an adaptation to the third edition of IEC 60704-1 (2010). This Part 2-13 is intended to be used in conjunction with IEC 60704-1:2010 (3rd edition) Household and similar electrical appliances - Test code for the determination of airborne acoustical noise - Part 1: General requirements. This Part 2-13 supplements or modifies the corresponding clauses in IEC 60704-1, so as to establish the test code for range hoods. When a particular subclause of Part 1 is not mentioned in this Part 2-13, that subclause is applicable as far as reasonable. Where this standard states ' addition' , ' modification' or ' replacement' , the relevant requirements, test specifications or explanatory matter in Part 1 is to be adapted accordingly. Subclauses, tables and figures that are numbered starting from 101 are additional to those in Part 1. Unless notes are in a new subclause or involve notes in Part 1, they are numbered starting from 101, including those in a replaced clause or subclause. Additional annexes are lettered AA, BB, etc.