Ningbo Xiyu Electronics Development Co.,Ltd was founded in 1994.It is located in Cixi,Zhejiang Province,China. Xiyu Co,Ltd persists in the research and application of arc technology,the Cord AFCI product passed the UL1699 standard in 2007. The Cord AFCI is suitable for the North American market,it is widely used in the air-conditioning,dehumidifier,water heater and other high power appliances.It can effectively reduce the electric fire,which results from the line'spoor insulation and contact. According to the USA UL474 requirement (July 25th,2012 version):A cord-connected single phase dehumidifier shall be provided with a factory installed AFCI protection to reduce the risk of fire due to arcing faults in the power supply cord.Feb,6th,2015,the dehumidifier sold in the North America must be installed with the Cord AFCI.