CAN/CSA-C22.2 No.243-M91

1. Scope 1.1 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 Rules of the Canadian Electrical Code, C22.1, Part I and the National Electrical Code, ANSI/NFPA 70. 1.2 These requirements cover (1) household, commercial, and coin-operated vacuum cleaning machines and blower cleaners, intended for indoor or outdoor use or both; (2) wet pickup, dry pickup, permanently mounted, portable, and central vacuum cleaners and blower cleaner systems; (3) current-carrying hoses for dry pickup, indoor household use; and 4) electrically powered floor finishing machines, including floor polishers, floor scrubbers, floor sanders, rug shampooers, rug and floor washers, and similar machines for household use. 1.3 These requirements do not cover appliances rated more than 250 V, single phase. An appliance that utilizes some other source of energy, such as gas or steam, in addition to electric energy will be investigated under these requirements and under such additional requirements as are applicable to the appliance under consideration. 1.4 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 to 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. 1.5 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. 1.5a These 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. 1.6 A product that contains features, characteristics, components, materials, or systems new or different from those covered by the requirements in this standard, and that involves a risk of fire, electric shock, or injury to persons shall be evaluated using the appropriate additional component and end-product requirements as determined necessary to maintain the acceptable level of safety as originally anticipated by the intent of this standard. a product whose features, characteristics, components, materials, or systems conflict with specific requirements or provisions of this standard cannot be judged to comply with this standard. Where considered appropriate, revision of requirements shall be proposed and adopted in conformance with the methods employed for development, revision, and implementation of this standard.