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Perth, Western Australia

Data cabling in PerthWired points where Wi-Fi gives up on the brickwork.

A lot of Perth housing is brick, from inter-war bungalows to the ranch homes of 1945 to 1980, and brick walls are hard on Wi-Fi. A wired data point at the desk or behind the TV fixes that. In WA the cable and the power fall under different rules, so use an electrician who does both and gets the power point beside each data point done in the same visit.

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Blue network cables plugged into the numbered ports of a network switch, with green status lights.
Photo: Brett Sayles on Pexels

Updated 29 October 2026 · Written by the Sparky Next Door team · How we check our facts

Why wired points make sense in Perth homes

Wi-Fi struggles through masonry, and in a spread-out house the back bedroom or the study off the patio is where it usually drops out. A cable doesn't care how many walls are in the way.

Perth's suburbs are mostly separate houses. In the City of Wanneroo, 92.1% of occupied homes were separate houses at the 2021 Census, so cable runs tend to be long, and they go through the roof to get from one end of the house to the other.

What's different about cabling a Perth home

Through the roof, with the power off

Under WA's workplace safety rules, the electrical installation has to be de-energised by a competent person before anyone works in the roof space, solar included. Plan for the house to be off while the runs go in.

Getting down a brick wall

Solid masonry is harder to drop a cable through than a stud wall, so the electrician may need to chase the wall or use a neat surface duct. Ask what it will look like before they start.

What WA counts as licensed

WA's licensing regulations exempt work on communications and computer equipment, but not its power supply circuits above 50 volts AC. The data cable is one thing; the power point beside it is licensed electrical work.

Units and apartments

In Fremantle, 27.4% of occupied homes were flats or apartments in 2021. In a unit, check with your strata company before anyone drills into shared walls or ceilings.

What a good Perth data quote spells out

  • Each point, which room it's in and how many cables go to it.
  • Where the cables meet, ideally near where the internet comes into the house.
  • A power point beside every data point, done under an electrical contractor's licence.
  • How long the house will be off while they're in the roof, and how solar is isolated.
  • How cable gets down brick walls, and what any duct will look like.
  • Testing and labelling for every run.
  • The Electrical Safety Certificate for the power side, and the contractor's EC number.

Our take

We'd put a wired point at every desk and behind the main TV, each with a power point beside it, and run them all back to wherever the internet arrives. In a brick house, we'd do it during a renovation if one's coming, while ceilings and walls are already open. And we'd ask for every run to be tested and labelled, so you know which cable is which years from now.

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Questions

Straight answers.

Is data cabling licensed electrical work in WA?

The data cable itself falls under an exemption in WA's licensing regulations for communications and computer equipment. The power points and any circuit for your network gear don't, so they need a licensed electrical contractor and come with an Electrical Safety Certificate.

Why does the power have to go off for data cabling?

WA's workplace safety rules say a competent person has to de-energise the electrical installation before a worker goes into a roof space, and that includes solar. Cable runs in a house usually go through the roof.

Can a TV point go in at the same time?

Yes, and it's the sensible time to do it, because antenna cable can share the roof route with the data runs. TV antenna installation in Perth covers the antenna side.

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Where this information comes from

Rules change, so check with your state regulator if something matters to your job. How we write and check these pages.

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