This Standard applies to motor-operated vacuum cleaners and blower cleaners@ and to household use floor finishing machines to be employed in accordance with the Canadian Electrical Code Part I (CEC)@ and the National Electrical Code (NEC)@ ANSI/NFPA 70.These requirements cover:a) household@ commercial@ and coin-operated vacuum cleaning machines and blower cleaners@ intended for indoor or outdoor use or both;b) household@ commercial@ and coin-operated wet pick-up@ dry pick-up@ permanently mounted@ portable@ and central vacuum cleaners and blower cleaner systems;c) household current-carrying hoses for dry pick-up@ indoor use;d) household accessory electrified wall valves for central vacuum cleaning systems for connection of current-carrying hose/motorized nozzle combinations; ande) household electrically powered floor finishing machines@ including floor polishers@ floor scrubbers@ floor sanders@ rug shampooers@ rug and floor washers@ and similar machines.The requirements do not cover appliances rated more than 250 volts. An appliance that utilizes some other source of energy@ such as gas or steam@ in addition to electric energy is to be investigated under these requirements and under such additional requirements as are applicable to the appliance under consideration.These requirements do not cover appliances for use in locations such as those areas of hospitals@ laboratories@ institutions@ and the like where dispersion of pathological@ chemical@ physical@ radioactive or other agents could produce a risk of health. Appliances intended for use in such locations are investigated under these requirements and under such additional requirements as?are applicable to the appliance@ with appropriate consideration being given to the specific intended use.Any undated reference to a code or standard appearing in the requirements of this standard shall be interpreted as referring to the latest edition of that code or standard.There requirements apply only to a specific type or types of appliances@ such as a vacuum cleaner or floor finishing machine@ if the requirement is so identified by specific reference to the type or types involved. Absence of such specific reference or use of the term ??appliance?? indicates that the requirement applies to all appliances covered by this standard.