This Standard deals with the safety of electric humidifiers for household and similar use, their rated voltage being not more than 250 volt for single-phase and 480 volt for other appliances. Examples of appliances that are within the scope of this Standard are appliances that atomize water; appliances that evaporate water by heating and appliances that blow air through a moist element. This Standard will supersede AS/NZS 3350.2.98:1998 seven years from the date of publication (i.e. on 17 June 2012). During this seven year period either AS/NZS 3350.2.98:1998 or AS/NZS 60335.2.98:2005 may be used for regulatory purposes in both Australia and New Zealand.