加湿器上亚马逊美国站需要办理UL 998
这些要求包括额定电压为600 V或以下的加湿器，拟按照国家电气规范（NEC）、ANSI/NFPA70和加拿大电气规范（CEC）第1部分C22.1的规则使用。
这些要求包括用于住宅和商业用途的加湿器。这包括离心雾化型、蒸发介质型、注水型、蒸汽型等加湿器。加湿器可安装在房间内，安装在墙上或天花板上，或用于管道或通风系统安装。
这些要求适用于包括电热元件以加热空气或水或两者的设备。
这些要求不适用于也用于冷却的蒸发冷却器。
这些要求不适用于便携式电极型产品，如蒸发器，这些产品包含在电加热设备标准UL499和CSA家用烹饪和液体加热设备标准CAN/CSA-C22.2第64号中。
These re cover humidifiers rated 600 V or less, andintended to be used in accordance with the National Electrical Code(NEC), ANSI/NFPA 70, and the Rules of the Canadian Electrical Code(CEC), Part 1 , C22.1 .
These re cover humidifiers intended for residentialand commercial use. This includes humidifiers of the centrifugalatomizing type, evaporative-media type, water-injection type, steamtype, and the like. The humidifiers may be for installation in aroom, mounted on a wall or a ceiling, or for duct or plenummounting.
These re apply to e that includes an electricheating element to heat air or water, or both.
These re do not apply to evaporative coolers that arealso intended to be used for cooling.
These re do not apply to portable, electrode-typeproducts, such as vaporizers, which are covered by the Standard forElectric Heating Appliances, UL 499, and the CSA Standard forHousehold Cooking and Li Appliances, CAN/CSA-C22.2 No.64.
