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What is a GPO in Electrical

04/08/2025
by Rick Coleman

Right then, if you've ever dealt with an Aussie tradie or looked at building plans, you've probably heard the term "GPO" thrown around. For the uninitiated, it might sound like some bit of technical jargon, but it's actually something you use every single day. So, what is a GPO in electrical terms?

Let's plug in and get it sorted. A GPO stands for General Purpose Outlet.

Yep, it's that simple. It's the standard Aussie power point you plug your toaster, telly, and phone charger into. While the rest of the world might call them "sockets" or "outlets," we love our acronyms, and GPO is the common term in the electrical wholesaler and construction industry down under.

What is a GPO in Electrical? Your Guide to Aussie Power Points

While we see them every day, a GPO is more than just the plastic bit on your wall. It's a complete unit that includes:

  • The Faceplate: The visible plastic cover.
  • The Sockets: The holes where you insert the plug, typically in a set of two or three pins.
  • Internal Switches: Most Aussie GPOs have individual switches for each socket, a great safety feature that's not standard in many other countries.
  • Terminals: The points on the back where the electrical wiring is safely connected into the circuit.

The Different Flavours of GPOs

Not all GPOs are created equal. They come in various shapes and sizes to suit different needs around the home or office.

  • Single GPO: As the name suggests, a simple outlet with one socket. You'll find these in places where only one appliance is needed, like for a fridge or a dishwasher.
  • Double GPO: This is the most common type you'll see. Two sockets on one faceplate, perfect for your bedside table or behind the TV cabinet.
  • Quad GPO: For power-hungry areas like a home office or workshop, a quad GPO gives you four sockets in one convenient spot, saving the need for messy power boards.
  • Weatherproof GPOs: For your outdoor areas, like the barbie spot or the garden shed, weatherproof GPOs are a must. They have a protective cover that snaps shut to keep moisture and dust out, preventing shorts and keeping you safe.
  • GPOs with USB Ports: In our modern, device-driven world, GPOs with built-in USB ports are becoming bloody popular. They let you charge your phone, tablet, or other gadgets directly from the wall, freeing up the main sockets for other appliances.

Installation and Safety: Don't DIY It!

When it comes to installing or replacing a GPO, this is one job you absolutely must not do yourself. In Australia, all fixed electrical wiring, including the installation of power points, must be carried out by a licensed electrician.

It's a matter of safety and law. A dodgy installation can lead to a risk of electric shock or fire. A licensed sparky will ensure the GPO is wired correctly, safely earthed, and compliant with all Australian standards (AS/NZS 3000).

So next time you hear someone talking about a GPO, you'll know exactly what they mean. It's the humble, hardworking hero of our walls, keeping our Aussie lives powered up and connected.