This standard deals with the safety of electrically operated commercial hot cupboards not intended for household use, their rated voltage being not more than 250 V for single-phase appliances connected between one phase and neutral, and 480 V for other appliances. Hot cupboards with heated tops, heated display cases, heated crockery dispensers and heated shelves and tables are also within the scope of this standard. The electrical part of appliances making use of other forms of energy is also within the scope of this standard. As far as practicable, this standard deals with the common hazards presented by these types of appliances. Additional requirements for appliances with power driven moving parts are given in Annex ZE. This standard does not apply to - machines designed exclusively for industrial purposes, - machines intended to be used in locations where a corrosive or an explosive atmosphere is present (dust, vapour or gas), - continuous process machines for the mass production of food, - machinery for processing cosmetics, chemicals and pharmaceutical products, - bains-maries (IEC 60335-2-50).