Electrical

Do I need a switchboard upgrade?

Old fuses, frequent tripping, burn marks, no safety switches or new solar, EV or air conditioning loads are reasons to ask about an upgrade.

By Aaron Midgley, Arlite Energy Last reviewed 30 October 2026 4 minute read

You may need a switchboard upgrade if your board still uses old fuses, has no safety switches, shows burn marks, trips often, or is struggling with new loads such as solar, an EV charger or air conditioning. Only a licensed electrician can assess a board, so ask for an inspection rather than looking inside.

What is a switchboard, and why does it age?

The switchboard is the panel where power from the street is split into the circuits that feed your home. It holds the main switch, the circuit breakers or fuses that protect the wiring, and, in many homes, safety switches that protect people from shock.

Homes built decades ago often have boards designed for far fewer appliances than a household uses today. Components can wear, and older boards were built before safety switches were common.

What signs suggest an upgrade may be needed?

Without opening anything, you may notice that:

  • the board still uses old-style fuses, such as ceramic fuses, instead of modern circuit breakers
  • there are no safety switches
  • there are burn marks, scorching or discolouration on or around the board
  • circuit breakers or safety switches trip often
  • lights flicker or dim, or the board makes buzzing sounds
  • you are adding a large load, such as solar, a battery, an EV charger or air conditioning

None of these proves an upgrade is needed, and none can be confirmed by a homeowner. They are reasons to ask a licensed electrician to look.

Why can I not look inside myself?

A switchboard contains live parts that can cause serious shock or fire. In Queensland, electrical work must be done by a licensed electrician, and the Electrical Safety Office Queensland is the regulator. That includes work on switchboards and meter boxes. Do not open the board or the meter box, even to take a closer look.

Should I upgrade before adding solar, a battery or an EV charger?

New large loads put more demand on the board and the home’s wiring. Before installing any of them, ask your installer or a licensed electrician whether your board has space, protection and capacity for what you plan. Sometimes the board is fine, and sometimes it needs work first.

What should I get after the work?

Ask for the paperwork that confirms the work was tested and meets requirements, and keep it with your records. Buyers, insurers and property managers sometimes ask for it later. Our article on electrical certificates explains what to expect.

What does an upgrade involve?

An upgrade typically means a licensed electrician fitting a modern board with circuit breakers and safety switches, reconnecting the home’s circuits to it, and providing paperwork when the work is done. What it takes depends on the size of the board, how easy it is to reach and whether other work, such as solar or an EV charger, is planned at the same time.

Our article on what affects switchboard upgrade cost goes into this in more detail.

What to do when you ask about your switchboard

  1. Photograph what you can see

    Photograph the outside of the board and meter box, and any marks or damage. Do not open anything.

  2. Write down what you have noticed

    Note tripping, flickering, buzzing or smells, and when they happen.

  3. Tell the electrician your plans

    Mention any solar, battery, EV charger or air conditioner you plan to add.

  4. Check the licence

    Ask for the electrician’s licence number and check it on the Electrical Safety Office licence search.

Frequently asked questions

  • A licensed electrician can tell you quickly during an inspection. Our article on circuit breakers and safety switches explains the difference.

  • Not always, but older boards may lack safety switches or have worn parts. Only a licensed electrician can assess one.

  • No. A switchboard contains live parts and should only be opened by a licensed electrician.

  • Sometimes. It depends on the board's space, protection and capacity, so ask an installer or licensed electrician to assess it before work starts.

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Related services: Switchboard Work

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