How to Easily Extend Your Home Network with Powerline Jun 29, 2019The setup process is identical: plug in the units, plug in an Ethernet cable from your router to the base unit, and then on the other end you can either plug in an Ethernet device, connect to the Wi-Fi, or both. Click a button on the base of each and you’re done.Author: Jason Fitzpatrick How to Use House Wiring for an Internet Network Connection How to Use House Wiring for an Internet Network Connection. Insert an Ethernet or RJ45 cable into one of the open LAN ports on your router. Plug in the other end of the cable into your one of your powerline stations. Plug the powerline station directly into the wall outlet. Do not plug the powerline box into a surge protector. Insert another..