Wiring an old house for Ethernet - The Silicon Underground Jul 26, 2016Wiring an old house for Ethernet can be challenging but offers real benefits. Wired Ethernet is faster and more reliable than wireless, so devices that have a wired connection can take advantage of it. Having wired connections also allows you to distribute wireless access points throughout your house for better, faster coverage. How to Wire an Old House for Ethernet Easily - Tektel Oct 21, 2016Let’s Wire an Old House for Ethernet – Running the Cables. After locating and cutting all the holes, it is now time to thread/fish the cables through the hole between spaces. The number of cables you will run through may vary depending on your needs. When threading the first cable, tape the strong string or fish tape to it.