Deals with the safety of electric foot warmers and heating mats for household use, in shops, in light industry and on farms. It does not apply to electric blankets and pads (IEC 60335-2-17, tentative publication date June 1998), electrical heating appliances for breeding animals (IEC 60335-2-71), appliances used under medical supervision and electrical heated carpets. The contents of the corrigendum of March 1998 have been included in this copy.