IEC 60335-2-73:2002+A1:2006+A2:2009 Deals with the safety of fixed electric immersion heaters intended for installation in a water tank for heating water to temperature below its boiling point. The rated voltage is not more than 250 V for single-phase and 480 V for other appliances. This consolidated version consists of the second edition (2002), its amendment 1 (2006) and its amendment 2 (2009). Therefore, no need to order amendments in addition to this publication.This publication is to be read in conjunction with IEC 60335-1:2006.