... Short Circuit Protection/ Over Voltage Protection/Over Current Protection*DC Cord: 22AWG/20AWG/18AWGElectronical*Topology: Switching flyback*Hi-Pot ... researching, developing, manufacturing and marketing switching power supply, AC/DC power adapter, USB charger ,Switching power supply transformer, ... CCC(China),SAA(Australia),BS(England),KC(Korea),PSB(Singapore),CB,C-TiICK, ENERGY STAR,ERP,EUP,MEPS etc ...