请注意:此版本的所有临时修订版将在您购买时提供。服务设备参考标准UL 869第三版，1998年6月26日范围1。1本标准提供了特定的服务设备要求，这些要求将由可能用作服务设备的其他类型设备（如配电盘、配电盘等）的要求补充。1.2包含新的或不同于本标准要求的特征、特性、组件、材料或系统的产品，且存在火灾、触电、，应使用适当的附加组件和最终产品要求对人员受伤进行评估，以维持本标准最初预期的可接受安全水平。如果产品的特征、特性、组件、材料或系统与本标准的特定要求或规定相冲突，则无法判断其是否符合本标准。 在认为合适的情况下，应根据本标准制定、修订和实施所采用的方法，提出并采用要求修订。

Please note: All interim revisions for this edition available at time of your purchase will be included.STANDARD FOR REFERENCE STANDARD FOR SERVICE EQUIPMENTUL 869A3rd Edition dated June 26, 1998Scope1.1 This standard provides specific service equipment requirements that are intended to be supplemented by requirements for other types of equipment (such as panelboards, switchboards, and the like) that may be used as service equipment.1.2 A product that contains features, characteristics, components, materials, or systems new or different from those cove red by the requirements in this standard, and that involve 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.