This Standard deals with the safety of electrical appliances for household and similar purposes, the rated voltage of the appliances being not more than 250 volt for single-phase appliances and 480 volt for other appliances. Appliances may incorporate motors, heating elements or their combination. 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.