10 Pack – GFCI Outlet 15 Amp, UL Listed, Self-Test GFI Receptacles, TamperRes…
If the indicator (LED) glows green, you have installed the GFCI receptacle correctly and it is working properly. The GFCI outlet automatically conducts a Self-Test(the red light will blink once) every 40 seconds to ensure the GFCI is continually working.