Electric immersion water heaters-Safety of household and similar electrical appliances - IS 302 (Part-2/Sec-201)
This standard covers the safety requirements of portable electric immersion heaters for household use and similar applications with rated voltages of not more than 250 V. This standard applies to appliances that are not intended for normal household use but may still pose a risk to the public, such as those used by laymen in shops, light industry, and on farms.