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Guide

Reading an electrical quoteWhat should be in it, and what to ask about.

A good electrical quote tells you exactly what's being done, with what, by whom, and what paperwork you'll get at the end. If two quotes for the same job look very different, they're usually describing different work. Read the scope first and the total last.

A person holding a pen beside an open folder of printed papers on a wooden table, face out of frame.
Photo: Ron Lach on Pexels

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

What a complete quote includes

  • The business name, its electrical contractor licence number and its ABN.
  • A scope in plain words: what's being installed or repaired, where, and which circuits it touches.
  • Brands and models for the main parts, such as the charger, alarms or switchboard gear.
  • Whether your switchboard has room, or needs work first.
  • Who handles any network application, notice or meter change.
  • Any inspection your state requires, and who books it.
  • The compliance certificate you'll get, named for your state.
  • What isn't included, such as patching, painting or trenching.
  • How long the power will be off, and how long the quote is valid.

Vague wording next to clear wording

VagueClear
SwitchboardUpgrade switchboardReplace the old fuses with circuit breakers, and add safety switches covering every power and lighting circuit
EV chargerSupply and install chargerA named 7 kW single phase wall charger on its own circuit, with the cable route described
Smoke alarmsNew smoke alarmsHow many, where, hardwired or sealed 10-year battery, and whether they're interconnected
PaperworkAll paperwork includedCertificate of Electrical Safety issued, with your copy sent to you (Victoria), or your state's equivalent
NetworkConnection as requiredWho lodges the network application, and what the network has to approve

How to read it, start to finish

  1. Check who you're dealing with

    Look up the licence number on your state's register and make sure it matches the business name on the quote. In Victoria the business should appear on Energy Safe Victoria's Registered Electrical Contractor Register.

  2. Hold the scope against what you asked for

    If you asked for three power points and a ceiling fan, all four items should be listed, with where they go. Anything that isn't written down is open to argument later.

  3. Look for the network side

    Bigger jobs often involve your electricity network or retailer. On the Ausgrid network, meter changes go through your retailer, and Ausgrid notes that older homes which haven't been rewired may need a meter upgrade when an EV charger goes in. In WA, notifiable work needs a preliminary notice to the network before it starts.

  4. Check for inspections

    In Victoria, major work such as new consumer mains, solar or a battery has to be inspected by a licensed electrical inspector before it's switched on. In the ACT, Access Canberra audits new installations before they can be energised. A good quote says this is covered.

  5. Find the certificate line

    It should name what you'll get: a CCEW in NSW, a Certificate of Electrical Safety in Victoria, an Electrical Safety Certificate in WA, or an eCoC in South Australia. If it doesn't, ask.

  6. Read the exclusions last

    This is where quotes differ most. Patching, painting, trenching, dealing with an old asbestos backing board, or upgrading the switchboard might all sit outside the quote.

Lines that should make you ask questions

  • Electrical work as required, with no list of what that means.
  • No licence number, or one that doesn't match the business name.
  • No mention of a compliance certificate.
  • A switchboard upgrade added with no reason given.
  • An old board in a home built before 1987, with nothing on how a possible asbestos backing board will be handled.
  • A charger or fitting you can't identify. Energy NSW says to use only chargers that carry the Regulatory Compliance Mark (RCM).

Your part, and the electrician's

You can

  • Ask for the quote in writing, and any changes in writing too.
  • Check the licence number on the register.
  • Tell them about anything they can't see, like an old board that might contain asbestos.
  • Keep the quote with the certificate once the job's done.

Leave to a licensed electrician

  • Inspecting the switchboard and working out whether the supply can take the new load.
  • Lodging network applications and notices.
  • Arranging any inspection your state requires.
  • Issuing and lodging the compliance certificate.

Why the load check belongs in the quote

Adding a big appliance changes what your supply has to carry. Western Power, for example, allows a 7 kW single phase EV charger on a standard home connection, but says the electrical contractor must check the home's total load stays within its supply limit and that the main switch is a circuit breaker.

A quote that mentions that check, and what happens if the answer is no, is a quote from someone who's done this before.

What we'd ask for

We'd ask for one change on almost every quote: list the exclusions. Once you know what isn't covered, you can compare two quotes honestly and nothing surprises you on the day. And if an electrician won't put the scope in writing at all, we'd keep looking.

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Questions

Straight answers.

Should the certificate be in the quote?

Yes. The certificate is part of the job, not an extra. In Victoria, Energy Safe Victoria says a contractor can't refuse to issue one for any reason, including a dispute about payment.

Why is one quote so much longer than the other?

A longer quote usually has more of the job written down: the switchboard check, the network paperwork, the exclusions. That's a good sign. A one-line quote leaves the detail to be argued about later.

Can the electrician change the quote once they start?

If they find something they couldn't see, like damaged wiring in the ceiling, they should stop and tell you before doing extra work. Ask for any change in writing. Under the Australian Consumer Law, what you buy has to match what you were promised.

Does a like-for-like swap need a certificate?

It depends on the state. NSW needs a CCEW even for a like-for-like replacement. WA and the NT don't require a certificate for like-for-like swaps or maintenance. It's licensed work everywhere.

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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