This clause of part 1 is replaced by:This standard deals with the safety of portable immersion heaters for household and similar purposes, their rated voltage being not more than 250 V.Appliances not intended for normal household use but which nevertheless may be a source of danger to the public, such as appliances intended to be used by laymen in shops, in light industry and on farms, are within the scope of this standard.So far as is practicable, this standard deals with the common hazards presented by appliances which are encountered by all persons in and around the home.This standard does not in general take into account– the use of appliances by young children or infirm persons without supervision;– playing with the appliance by young children.NOTE 1 Attention is drawn to the fact that:– for appliances intended to be used in vehicles or on board ships or aircraft, additional requirements may be necessary;– for appliances intended to be used in tropical countries special requirements may be necessary;– for the purposes of this standard, Australia and New Zealand are not considered to be tropical;– in many countries additional requirements are specified by the national health authorities, the national authorities responsible for the protection of labour, the national water supply authorities and similar authorities.NOTE 2 This standard does not apply to:– appliances intended exclusively for industrial purposes;– appliances intended to be used in locations where special conditions prevail, such as the presence of a corrosive or explosive atmosphere (dust, vapour or gas);– aquarium heaters (IEC 60335-2-55);– fixed immersion heaters (IEC 60335-2-73);– heating elements incorporated in portable appliances such as appliances for heating liquids (IEC 60335-2-15).

First published in Australia as AS C104-1937.Redated 1938. Redated 1939.Second edition 1940.Redated 1948.Third edition 1960.Revised and redesignated AS 3104-1975.Second edition 1982.Third edition 1987.Fourth edition 1995.First published in New Zealand as NZS 952-1952.AS 3104-1995 and NZS 952-1952 jointly revised, amalgamated and redesignated AS/NZS 3350.2.74:1996.Second edition 2001. First published in Australia as AS C104-1937. Redated 1938. Redated 1939. Second edition 1940. Redated 1948. Third edition 1960. Revised and redesignated AS 3104-1975. Second edition 1982. Third edition 1987. Fourth edition 1995. First published in New Zealand as NZS 952-1952. AS 3104-1995 and NZS 952-1952 jointly revised, amalgamated and redesignated AS/NZS 3350.2.74:1996. Second edition 2001.