AS/NZS 60335.2.35:2004 Household and similar electrical appliances - Safety - Particular requirements for instantaneous water heaters (IEC 60335-2-35 Ed 4.1, IDT)
standard by Australian/New Zealand Standards, 01/01/2004
Deals with the safety of electric instantaneous water heaters for household and similar purposes and intended for heating water below boiling temperature. The rated voltage being not more than 250 V for single phase and 480 V for other appliances.