I don't now what to say at this point. I had an electrician here to explain why the switches did not work. He advised that the switches are defective or don't work correctly. It's not the GFIC. He...

@DOrio TP-Link has replied. Their Smart switches are not approved for circuit that requiring GFIC protection. They should not be used in a bathroom or a kitchen or a pool light or outside application...

@Riley_S Does it work with a GFIC circuit???

@Wayne-TP This device doe not wort with any GFIC.

No. It's wired correctly Not a wiring condition. Current flowing from neutral to ground.

@DOrio NOBODY HAS RESPONDED. This device is wired correctly.