(03) 9900 1010
Wi-Fi is great, until it isn’t. Video calls drop out, the TV buffers halfway through a movie, and the kids’ gaming console lags at the worst possible moment. That’s usually when people start looking into home network cabling.
If you’re building, renovating or just fed up with patchy Wi-Fi, you’ll quickly come across three options: Cat6, Cat6a and fibre. They all do a similar job, but there are real differences in speed, cost and how well they’ll hold up in the years ahead.
Here’s a plain-English breakdown to help you choose.
Quick Answer
- Cat6 is the go-to for most Melbourne homes. It handles today’s internet speeds easily and is the most affordable option.
- Cat6a costs a bit more but runs 10 Gbps over longer distances, making it the better pick for new builds and future-proofing.
- Fibre is the fastest, but it’s overkill for most homes and needs extra equipment to connect to everyday devices.
- In Australia, home network cabling must be installed by a registered cabler.
Why Use Cables at All?
Wi-Fi is convenient, but it shares bandwidth between devices and gets weaker through walls, floors and distance. Double-brick homes and multi-level townhouses are especially tough on wireless signals.
A wired connection gives you a stable, consistent connection every time. Most people use cabling for the devices that matter most – the home office, smart TVs, gaming consoles, security cameras – and to connect Wi-Fi access points around the house so wireless coverage is strong in every room.
Cat6 vs Cat6a: What’s the Difference?
Cat6 and Cat6a are both copper ethernet cables, and from the outside they look pretty similar. The difference is in what they can handle.
Cat6
Cat6 supports speeds of up to 1 Gbps over distances of up to 100 metres, which is more than enough for most household internet plans. It can also reach 10 Gbps, but only over shorter runs of around 55 metres or less.
It’s thinner, more flexible and cheaper than Cat6a, which makes it easier to run through tight wall cavities and roof spaces in older homes.
Cat6a
Cat6a (the “a” stands for “augmented”) supports 10 Gbps over the full 100 metres. It has better shielding against interference, too, which helps when lots of cables run side by side or near electrical wiring.
The trade-off is that it’s thicker, stiffer and a bit more expensive, both for the cable and the time it takes to install.
So, Which Wins?
In the Cat6 vs Cat6a debate, it really comes down to your plans. For an existing home where you want reliable connections for streaming, working from home and gaming, Cat6 does the job nicely.
If you’re building a new home or doing a major renovation, Cat6a is worth considering. The extra cost is relatively small when the walls are already open, and it means your cabling is ready for faster speeds down the track.
Fibre vs Ethernet at Home: Is Fibre Worth It?
When it comes to fibre vs ethernet at home, the honest answer for most households is that ethernet wins.
Fibre optic cable sends data as light rather than electricity. It’s incredibly fast, works over very long distances and isn’t affected by electrical interference. That’s why it’s used for the NBN network running to many Melbourne streets.
But inside the home, fibre has a few drawbacks:
- Your devices won’t plug into it: Laptops, TVs and consoles have ethernet ports, not fibre ports, so you’d need converters at each end.
- It can’t power devices: Ethernet can carry power to things like security cameras and Wi-Fi access points (called PoE, or Power over Ethernet). Fibre can’t.
- It costs more: Between the cable, the connectors and the extra equipment, fibre adds up quickly.
Fibre can make sense for large properties, long runs to a detached studio or granny flat, or homes with serious tech setups. For everyone else, quality ethernet cabling is the more practical choice.
How Do They Compare?
| Cat6 | Cat6a | Fibre | |
| Max speed | 1 Gbps (10 Gbps up to ~55 m) | 10 Gbps up to 100 m | 10 Gbps and well beyond |
| Cost | Lowest | Moderate | Highest |
| Powers devices (PoE) | Yes | Yes | No |
| Plugs straight into devices | Yes | Yes | No, needs converters |
| Best for | Most existing homes | New builds and renos | Large properties, long runs |
Planning Your Home Network Cabling
Choosing the cable is only part of it. A good home network cabling setup also comes down to where everything goes. A few things worth thinking about:
- Where your NBN connection comes in: This is usually where your modem and network hub will live.
- Which rooms need a data point: Home offices, living areas and bedrooms are the usual spots.
- Where Wi-Fi access points should go: Ceiling-mounted access points in hallways or central rooms can give you strong coverage throughout the house.
- Room for growth: It’s far cheaper to add a few extra data points now than to come back and run more cable later.
If you’re building or renovating, get cabling sorted during the pre-wire stage, before the plasterboard goes up. It’s quicker, neater and much more affordable than retrofitting.
Does It Need a Professional?
Yes. In Australia, any cabling that connects to the telecommunications network needs to be installed by a registered cabler. It’s not just about compliance, either. Poorly terminated or badly run cables can seriously drag down your speeds, which defeats the purpose of going wired in the first place.
A professional installer will also test each cable once it’s in, so you know you’re getting the performance you’re paying for.
Get Your Home Network Sorted With O’Shea Electrical
Whether you’re after a couple of data points for a home office or a full network setup for a new build, our team can help you pick the right cable and install it properly. We’ll talk you through your options in plain English, without pushing you into something you don’t need.
Find out more about our data cabling service, or get in touch with the team to talk through your project.
