AS/NZS 60335.2.73:2005
Household and similar electrical appliances - Safety - Particular requirements for fixed immersion heaters (IEC 60335-2-73 Ed 2.0,IDT)
standard by Australian/New Zealand Standards, 01/01/2005
This Standard deals with the safety of fixed electric immersion heaters for household and similar purposes that are intended for installation in a water tank for heating water to a temperature below its boiling point. The rated voltage is not more than 250 V for single-phase appliances and 480 V for other appliances.