As long as there is enough length of wiring running in parallel, it may very well work despite being a separate circuit.

It's not just enough - running more than one cable between the same two devices is flat out wrong, it'll break the topology. Put the 8030P where you need to connect multiple devices, and put the...

The "powerline network name" is actually the encryption passphrase - so when you change that on one adapter, you need to pair all the others back in.

What kind of advice is that? Cut speed back to half, and then it'll work? Guess what: It won't.

Poorly designed power supplies can fire noise back into the mains circuit. Plug those things into line filters to keep the noise away. A handy solution are PLCs with a passthrough jack, for these...

Welcome to the wonderful world of TP-Link product maintenance ... there has been beta firmware for the 8030P V1 and V2 over half a year ago. It eventually got released in July for the V2, but the V1...