@Carl Thank you for the detailed reply. TP-Link has been very slow to give details about how these systems work. From what I have been able to deduce, these kits will work within one leg of a home...

I have the TP-Link Kit powerline adapter which I am using to connect an appliance to my netwrk hub. My home has 2 200 Amp main panels for power side by side in my basement. The circuit for my...