How strange! The telephone wire comes through beside a window and tracks along the bottom of the wall to where the connector box is. I can see its whole run and it doesn't share routing with power...

Model : Hardware Version : Firmware Version : ISP : I've been using a pair of TP-PA4010 V1.20 (UK) powerline adaptors with no issue for a few months. Today I had BT broadband installed (router is a...