IEC 60335-2-21 Ed. 5.1 b:2004

Deals with the safety of electric storage water heaters for household and similar purposes and intended for heating water below boiling temperature, their rated voltage being not more than 250 V for single-phase appliances and 480 V for other appliances. The contents of the corrigendum of March 2007 have been included in this copy. This consolidated version consists of the fifth edition (2002) and its amendment 1 (2004). Therefore, no need to order amendment in addition to this publication.