These requirements cover household motor-operated food preparing machines and kitchen accessories such as knife sharpeners and can openers@ that are intended to be operated for short-periods of time resulting in cumulative use-time per year of less than 100 hours and that are for use in accordance with the National Electrical Code@ ANSI/NFPA 70. In the following text@ a requirement that applies to one type of equipment coming within its scope@ such as a blender@ or mixer will be so identified by a specific reference in that requirement to the type of equipment involved. In the absence of such specific reference or if the term appliance is employed@ it is to be understood that the requirement applies to all of the types of equipment covered by the standard. These requirements cover cord-connected and permanently wired motor-operated appliances rated at a nominal 120 V including appliances supplied by low-voltage power supplies@ and battery-operated appliances provided with battery chargers. These requirements cover appliances for household use. The requirements in the Standard for Motor-Operated Commercial Food Preparing Machines@ UL 763 are employed for the evaluation of appliances also intended for commercial application. This standard does not cover sanitation@ contamination@ or noise aspects of these products. Reference to these items can be found in the Standard for Food@ Drug and Beverage Equipment@ ANSI/ASME F2.1. An appliance employing a heating element is judged on the basis of its compliance with the requirements of this Standard@ insofar as they apply and further appropriate requirements applicable to household cooking appliances.