Protect you and your appliances from electric shock: when leakage of electricity takes place, the GFCI plug can break the circuit automatically within 0.03 second
Widely used: for most home appliances and electric tools
Safety certificate: UL Listed
Easy to install: connect 3 pcs of wire to joints marked black(L, live wire), green(E, earth wire) and white(N, null wire)
Test and use: keep connecting, press the TEST button, the indicator light should be off; press the RESET button, the light should be on