AS/NZS 60335.2.21:2013 (Excludes IEC text)
Household and similar electrical appliances - Safety - Part 2.21: Particular requirements for storage water heaters
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. However immersion heater units intended to be retrofitted in a heat exchange closed water heater are prohibited unless the immersion heater unit has been tested with the tank models and brands listed in the instructions of the immersion heater unit. The tank models and brands list the models of the immersion heater units that can be retrofitted. Adopted with national modifications from, but does not include the text of, IEC 60335.2.21 Ed.6.
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AS/NZS 60335.2.21:2013 (Excludes IEC text)
Online Library subscription pricing
The cost of your subscription will depend on which standards you want to access, and how many people in your organisation need to be able to access the Online Library subscription at the same time (concurrent users). During your subscription period, we are also able to make any necessary changes and ensure you are aware of any pricing changes that result. For a quote, contact our Online Library team by emailing onlinelibrary@standards.govt.nz.