请注意:此版本的所有临时修订版将在您购买时提供。水处理设备UL 9791范围1。1这些要求包括家用和商用电动水处理设备。这些电器的安装和使用符合国家电气规范NFPA 70，额定电压为600 V或更低。第1节自20081年5月12日起生效。2这些要求包括通过使用阳离子交换水软化剂、电离、过滤器、紫外线辐射、臭氧产生和反渗透来处理水的设备。1.3这些要求不包括与泳池或水疗中心、蒸馏水器、水族馆或其他与管道连接的设备一起使用的水处理设备，这些设备由个人要求涵盖。1.4这些要求不包括在国家电气规范NFPA 70中定义的危险场所使用的设备。 1.5这些要求不包括水处理的美学效果或有效性。

Please note: All interim revisions for this edition available at time of your purchase will be included.Water Treatment AppliancesUL 9791 Scope1.1 These requirements cover electrically operated water treatment appliances for household and commercial use. These appliances are intended for installation and use in accordance with the National Electrical Code, NFPA 70, and are rated 600 V or less.Section 1 effective May 12, 20081.2 These requirements cover appliances utilizing features that treat water through the use of cation exchange water softeners, ionization, filters, ultraviolet radiation, ozone generation, and reverse osmosis.1.3 These requirements do not cover water treatment appliances for use with pools or spas, water distillers, aquariums, or other equipment connected to plumbing that is covered by individual requirements.1.4 These requirements do not cover appliances for use in hazardous locations as defined in the National Electrical Code, NFPA 70.1.5 These requirements do not cover the aesthetic effects or the effectiveness of water treatment.