How to Wire Your Home Network Like You Mean It

• Also see: The 3-2-1 backup rule
• Also see: Run a 70B model on your laptop
• Also see: How to lock down your online accounts

Wi-Fi is a miracle and a compromise: a shared, half-duplex radio medium where devices take turns transmitting through walls and past neighbours. It is excellent for phones and moving laptops. For anything that sits still—desktop, television, console, server, and the access points themselves—a wire removes a whole class of variability: predictable latency, full-duplex links, no radio contention, and no password rotation breaking the printer. One well-planned cable run can serve several generations of networking gear.

That is not an argument to wire every toothbrush. A modern Wi-Fi system can be very fast in the same room. The point is to reserve radio capacity for devices that require it. Wiring the stationary, high-bandwidth devices often makes wireless better for everything else.

Plan the drops before you buy anything

Walk each room and count stationary devices, then add one drop per wall you might ever use plus one for a ceiling access point per floor. Cable is cheap; opening walls twice is not. Run everything back to one central point - under stairs, utility room, anywhere with power - where the patch panel, switch and router live. Star topology, every run home-run to the panel, no daisy-chaining. A daisy-chained run that fails takes everything downstream with it; a star run that fails takes one room.

type: bar
title: Real-world throughput to a desktop, shared household
x: Wi-Fi across the house, Wi-Fi same room, Gigabit Ethernet
Megabits per second, evening: 90, 320, 940

The evening qualifier matters: Wi-Fi numbers are best-case midday figures. At 8pm, with the neighbours streaming and your own household at full tilt, the shared medium shows its nature. The wire does not know what time it is.

Before a single hole is drilled, find the service entry point—cable modem, fibre ONT, or DSL termination—and choose a nearby, dry, ventilated place with power for the router, switch, and any battery backup. It should be reachable, not merely hidden. A beautiful wiring closet that cannot be labelled, serviced, or cooled becomes a future outage. Photograph the route before walls close and keep a simple floor plan with every outlet number; that documentation will outlast the person who remembers where the blue cable goes.

The parts list, and what each does

Solid-core Cat6 for in-wall runs - never stranded, never copper-clad aluminium. Solid conductors punch down cleanly into jacks and panels; stranded is for patch cords. Cat6 handles 10-gigabit to 55 metres, which covers any house; Cat6a doubles the cost and the cable diameter for headroom almost no home needs. Keystone jacks at the room end, a patch panel at the centre, a punch-down tool, a cable tester that costs less than one service call, and a switch with more ports than your drop count - you will fill them.

flowchart TD
    A["Modem or fibre ONT, then router"] --> B["Ethernet switch"]
    B --> C["Short patch leads to passive patch panel"]
    C --> D["In-wall cable to room jacks"]
    B --> E["Ceiling access points"]
    D --> F["Desktop, TV, console: wired"]
    E --> G["Phones, laptops: fast Wi-Fi, fed by wire"]

The patch panel is passive: it is an orderly set of terminations, not a device that routes packets. Short patch leads connect the switch ports to the panel; each permanent in-wall run then travels to one room jack. Keeping the permanent cable on jacks and panels, rather than crimping plugs directly onto it, makes a damaged end cheap to replace and keeps the installation understandable.

Terminate to T568B on both ends—the colour order printed on every jack: orange-white, orange, green-white, blue, blue-white, green, brown-white, brown. T568A is also valid; consistency at both ends is the electrical requirement. Pick one convention and label it. Test every run before you close walls. An inexpensive wire-map tester catches open pairs, crossed pairs, and split pairs; a certification tester adds performance measurements, but is usually an expensive rental for a small home. A fault found now costs a re-punch. A fault found after paint costs drywall.

Pull cable like it has to work for twenty years

Use solid bare-copper Cat6 rated for the route: in many regions that means riser-rated cable for vertical runs, plenum-rated cable only where a plenum is required, and local code rules for penetrations and fire-stopping. Do not use copper-clad aluminium for permanent Ethernet; it is brittle, performs poorly with power over Ethernet, and is a false economy. Keep low-voltage cable away from mains wiring and never share a conduit unless local code and a qualified installer say that arrangement is permitted. Before drilling, locate electrical, plumbing, and gas runs. If the route crosses fire-rated construction or you are unsure which code applies, use a licensed low-voltage or electrical professional.

Leave service loops at the panel and outlet, respect the cable’s bend-radius and pull-tension limits, and do not untwist pairs farther than the jack instructions allow. These small details preserve the twist geometry that rejects electrical noise. Label both ends before the pull, not after; Office-2 at the outlet and Office-2 at the panel turns future troubleshooting into a five-minute job.

For a new build or substantial renovation, empty conduit with a pull string is the best upgrade of all. Cable standards will change; a clear path through the house lets the next cable follow without reopening the wall. Cat6 is a sensible default for gigabit and multi-gigabit home links, with 10-gigabit capability over shorter runs; choose Cat6A when you specifically need 10GbE over long permanent links or have an unusually noisy route. Buy the capability you can use, then protect the pathway for what comes next.

The cost, honestly accounted

A 300-metre spool of solid Cat6, a 12-port panel, twenty keystone jacks, plates, a tool and a tester: roughly 150 to 250 dollars for a typical house, plus the switch and any access points. The expensive input is the afternoon—fishing cable through walls is dusty, attic-shaped labour. Against that: streaming boxes become predictable, video calls have a stable backhaul, the Wi-Fi gets more airtime because stationary devices left it, and the physical installation can outlive several routers. Networking gear depreciates; a documented copper path keeps paying back avoided frustration.

How to wire a house for EthernetPlays from YouTube when you press play

How to terminate Cat6 into a punch-down patch panelPlays from YouTube when you press play

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