IEC 60335-2-21: 2002 Household and similar electrical appliances - Safety - Part 2-21: Particular requirements for storage water heaters

The International Electrotechnical Commission (IEC). Fifth Edition. 2002-
07. This fifth edition cancels and replaces the fourth edition published in 1997 and its amendment 1 (1999). It constitutes a technical revision. 28p. This International Standard 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