These requirements cover commercial motor-operated food-preparing machines intended for use in accordance with the National Electrical Code. These requirements do not cover machines rated more than 600 V; nor do they cover machines involving universal motors rated more than 250 V. These requirements cover coffee grinders@ vegetable cutters@ food mixers@ nonrefrigerated ice cube dispensers@ and other motor-operated machines usually found in commercial kitchens@ restaurants@ food processing establishments@ bakeries@ or other business establishments where food is prepared or processed. A machine 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 machine under consideration. 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 or of electric shock or injury to persons shall be evaluated using appropriate additional component and end-product requirements to maintain the 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 does not comply with this standard. Revision of requirements shall be proposed and adopted in conformance with the methods employed for development@ revision@ and implementation of this standard.