请注意:此版本的所有临时修订版将在您购买时提供。这些要求包括用于室内照明、动画、激活或显示的展览展示单元结构 关于临时展览、展览、展览大会、会议或集会。这些装置用于临时施工和现场展示 博览会活动。电气部件和系统的使用应符合国家电气规范NFPA 70和安装要求 符合这个标准。这些要求还包括便携式展品展示、悬挂组件和其他展品组件。这些要求包括额定交流电压不超过600伏的展览展示装置。这些要求包括用于展览展示装置的灯箱。 电子广告显示屏和电子标志包含在《电子广告标准》中 标志，UL 48。

Please note: All interim revisions for this edition available at time of your purchase will be included.These requirements cover exhibition display unit constructions that are intended for indoor use for the purpose of illuminating, animating, activating, or displaying with respect to temporary expositions, exhibits, show conventions, meetings, or assemblies. These units are intended for temporary construction and display at exposition events. Electrical components and systems shall be used in accordance with the National Electrical Code, NFPA 70 and with the installation requirements of this standard. These requirements also cover portable tradeshow displays, hanging components, and other exhibit assemblies.These requirements cover exhibition display units rated 600 volts ac or less.These requirements cover light boxes for use with exhibition display units. Electric advertising displays and electric signs are covered by Standard for Electric Signs, UL 48.