This Standard deals with the safety of electric massage appliances for household and similar purposes, their rated voltage being not more than 250 V for single phase appliances and 480 V for other appliances. NOTE 101 Examples of appliances within the scope of this standard are - foot massagers; - hand-held massagers; - massage beds; - massage belts; - massage chairs; - massage pads; - water filled foot massages. Appliances not intended for normal household use but that 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. NOTE 102 Examples of such appliances are those used in beauty parlours and fitness centres. As far as is practicable, this standard deals with the common hazards presented by appliances that are encountered by all persons in and around the home. However, in general, it does not take into account - persons (including children) whose * physical, sensory or mental capabilities; or * lack of experience and knowledge prevent them from using the appliance safely without supervision or instruction; - children playing with the appliance. NOTE 103 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; - in many countries additional requirements are specified by the national health authorities, the national authorities responsible for the protection of labour and similar authorities. NOTE 104 This standard does not apply to 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).