Thank you for coming back to me. I think I've managed to fix the problem by simply changing the TP Link to another socket. It's odd because they are definitely all on the same phase of power and it...

Hello, I have set up a Powerline Adapter (TP-Link TL-WPA9610KIT Dual Band Gigabit AC1200) out in my garden workshop. It works absolutely fine. That is until someone turns on our Amazon Firestick...