IEC 60335-2-66:2002+A1:208+A2:2011 Deals with the safety of electric water-bed heaters and associated control units, their rated voltage being not more than 250 V, for household and similar purposes. Appliances intended to be used in hotels, are also within the scope of this standard. The contents of the corrigendum of July 2004 have been included in this copy. This publication is to be read in conjunction with IEC 60335-1:2010. This consolidated version consists of the second edition (2002), its amendment 1 (2008) and its amendment 2 (2011). Therefore, no need to order amendments in addition to this publication.