请注意:此版本的所有临时修订版将在您购买时提供。这些要求包括便携式计数器秤，通常为计算型，额定电压不超过250伏。这些电子秤包括一个连接插头、一段软电线、一个开关、一个或多个灯、灯座、镇流器（如果使用放电灯）以及相关的内部接线。它们的目的是 根据国家电气规范NFPA 70使用。这些要求不包括涉及电子计算功能或电气功能的电子秤，如电机操作部件、继电器和电气设备 与电源的永久连接。根据《办公设备和商业设备标准》中的适用要求，对此类天平进行判断 设备，UL 114，或信息技术设备标准，包括电子商务设备，UL 1950。 一种产品，其特征、特性、组件、材料或系统与标准制定时使用的产品不同，且 涉及火灾、触电或人身伤害的风险，应使用确定的适当附加组件和最终产品要求进行评估 为维持本标准意图最初预期的产品用户安全水平所必需的。

Please note: All interim revisions for this edition available at time of your purchase will be included.These requirements cover portable counter scales, ordinarily of the computing type, that are rated 250 volts or less. These scales consist of an attachment plug, a length of flexible cord, a switch, one or more lamps, lampholders, ballasts if electric-discharge lamps are used, and associated internal wiring. They are intended to be used in accordance with the National Electrical Code, NFPA 70.These requirements do not cover scales involving electronic computing features or electrical features such as motor-operated components, relays, and provision for permanent connection to the power supply. Such scales are judged under the applicable requirements in the Standard for Office Appliances and Business Equipment, UL 114, or the Standard for Information Technology Equipment, Including Electrical Business Equipment, UL 1950.A product that contains features, characteristics, components, materials, or systems new or different from those in use when the Standard was developed, 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 level of safety for the user of the product as originally anticipated by the intent of this Standard.