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Guide

EV charger installation guide

What happens when you get a wall charger put in at home in Wagga or the Riverina, and what to sort out before you buy one.

The short answer

A home EV charger (a wallbox) must be installed by a licensed electrician in NSW, because it is electrical wiring work, and you should get a Certificate of Compliance for Electrical Work (CCEW) when it is done. It goes on its own dedicated circuit with the right type of safety switch, and the electrician checks your switchboard and supply can handle the extra load. At NAF Electrical the install is install only: you supply the charger and Nelson installs it, with any switchboard work or unusually long cable runs quoted separately. The EV charger estimate gives you a price in a minute.

Step 1: Work out what you need

Before you buy a charger, it helps to know a few things:

  • What your car can take. The charging speed is limited by the car's onboard charger, not just the wallbox. Check your car's specifications before paying for a faster charger than the car can use.
  • What supply you have. Your home has either a single-phase or a three-phase supply, and Nelson can confirm which. Typical home chargers are about 7 kW on single-phase (32 A), and 11 to 22 kW on three-phase (16 to 32 A per phase). Our guide on single-phase vs three-phase EV chargers goes through the choice.
  • Where you park. The distance from the switchboard to the charger affects cable size and cost. A garage on the same wall as the meter box is simple. A carport across the yard or a detached shed takes more cable and possibly trenching.
  • How old your switchboard is. An older board with ceramic fuses, no safety switches or no spare space may need work first. See EV chargers and switchboard upgrades.

If you are unsure, send Nelson a photo of your switchboard and the parking spot. That is usually enough to tell you whether it is a straightforward install.

Step 2: Understand the charging options

There are two common ways to charge at home:

  • Mode 2: a portable cable with a control box built into the cable (an in-cable control and protection device) that plugs into a socket outlet.
  • Mode 3: a fixed wallbox on its own dedicated circuit. This is what most people mean by an "EV charger installation".

A wallbox is faster and is designed for daily charging. Because it is fixed wiring, it can only be installed by a licensed electrician.

Step 3: The rules your electrician follows

These are the main requirements that apply in NSW:

  • Licensed electrician. In NSW, any electrical wiring work needs a licence, whatever the size of the job. Doing it unlicensed can attract fines of $22,000 for an individual.
  • AS/NZS 3000:2018 (the Wiring Rules). Appendix P gives guidance on EV charging installations.
  • Dedicated circuit. An EV charger is normally supplied by its own final subcircuit, run from the switchboard.
  • The right safety switch. The NSW regulator says EV chargers need a Type B RCD, or a Type A where the charger has built-in 6 mA DC fault detection. Older Type AC RCDs cannot be used in new work in NSW.
  • Maximum demand. A 7 kW charger is a big, long-running load. If adding it pushes your maximum demand above what your supply is approved for, an application for connection to Essential Energy may be needed under the Service and Installation Rules of NSW (April 2026 edition).
  • CCEW. When the work is tested, the electrician who did the test lodges a CCEW through the Building Commission NSW eCert portal within 7 days of the test. You get a copy by email. See our CCEW guide.

A few things that are not rules in NSW, even though you may read them online:

  • There is no Essential Energy rule we have found that makes three-phase compulsory for home chargers or sets a kW limit for them. The real test is maximum demand.
  • NSW does not require demand-response (AS/NZS 4755) chargers. That is a South Australian rule.
  • Standard EV chargers are exempt from the NSW Emergency Backstop Mechanism that applies to new solar.

Step 4: The installation day

A typical install goes like this:

  1. Nelson checks the switchboard, supply and the route for the cable.
  2. Power is isolated and a new circuit is added at the switchboard with the correct protection.
  3. Cable is run to the charger location and the wallbox is mounted.
  4. The charger is connected and set up to suit your supply.
  5. Every part of the new circuit is tested.
  6. The CCEW is lodged and you get a copy.

You get a written price before any work starts. If something unexpected turns up, like an old board that can't take a new circuit, we stop and talk to you before going further.

What affects the cost

Our price covers installing a charger you have bought yourself. Things that can add to it:

  • Switchboard work, if your board needs space, a new main switch or an upgrade. This is quoted separately.
  • Unusually long cable runs, such as a detached shed or a carport across the yard.
  • Travel outside Wagga. It is free close to Wagga and charged further out, and the estimate works it out from your address.
  • Supply upgrades. If you need more capacity or a change from single-phase to three-phase, the work at the service fuse, meter or service line has to be done by a Level 2 Accredited Service Provider (ASP) and involves Essential Energy. We can advise and coordinate with them, but that part isn't done by us.

Get a quick figure from the EV charger estimate, or read about our EV charger installation service.

Grants and rebates

There are no NSW home charger rebates we can point you to right now. The NSW EV Ready Buildings grant for apartment buildings closed in October 2025. The NSW EV Kerbside Charging Grants (Round 3, open 21 September to 21 December 2026) are for charge point operators, not households.

Common questions

Can any electrician install an EV charger?

Any licensed electrician in NSW can install a home EV charger. It is electrical wiring work, so it needs a licence and a CCEW. You can check a licence on the NSW Government licence check. See how to check an electrician's licence.

How is EV charger installation priced in Wagga?

We install a charger you supply, so the price is for the installation only. Switchboard work and unusually long cable runs are quoted separately, and travel is charged further out from Wagga. The EV charger estimate works it out, or call Nelson or send the job through for a written quote.

Do I need three-phase power for an EV charger?

No. A single-phase 7 kW charger suits many homes. Three-phase allows faster chargers, but only if your car can use the extra speed. No NSW rule we have found requires three-phase for a home charger.

Do I need to tell Essential Energy?

Not for every charger. An application for connection is needed if the charger would push your maximum demand above what your supply is approved for. Nelson checks this as part of the job.

Can I just plug my car into a normal power point?

A portable Mode 2 cable plugs into a standard socket outlet. It is slower than a wallbox. If you charge every day, a dedicated wallbox circuit is the better long-term setup.

Written by Nelson, licensed electrician (NSW contractor licence 374694C) · Updated 19 October 2026. General information only: every job is different, so call for advice on yours.

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