Historical
IEC 60335-2-73 Ed. 2.1 b:2006
Household and similar electrical appliances - Safety - Part 2-73: Particular requirements for fixed immersion heaters
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.
Content Provider
International Electrotechnical Commission [iec]