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How to Invoice Switchboard Upgrades

To invoice a switchboard upgrade, list the approved job scope, labour, switchboard, RCDs, circuit breakers, cabling, labels, testing, compliance notes, GST if registered, and the payment due date. A switchboard invoice should be more detailed than a small service call because the customer is approving a higher-value safety job and may need the record for property, strata or insurance purposes.

This guide covers a practical switchboard upgrade invoice structure for sole trader electricians and small electrical businesses.

Start from the approved quote

Most switchboard upgrades should start with a written quote. The invoice should match that quote unless the customer approved extra work.

Keep these details together:

  • Site address.
  • Existing issue or reason for upgrade.
  • Approved scope.
  • Labour estimate or fixed labour component.
  • Board, RCDs, breakers and materials.
  • Testing or certificate notes.
  • Any extra work approved on site.

Use the free quote generator, or build quotes directly from Gmail with the Chrome extension. Once approved, convert the quote to an invoice and add any site changes.

What to include on the invoice

A switchboard upgrade invoice should include:

  1. Your business name, ABN and electrical contractor licence number.
  2. Customer and site details.
  3. Invoice number, date and due date.
  4. The words "switchboard upgrade" in the job title.
  5. Labour line items.
  6. Materials line items.
  7. Testing, labelling or certificate notes.
  8. GST if registered.
  9. Payment link or payment instructions.

This level of detail helps the customer, property manager or builder understand what was supplied and installed.

Example switchboard line items

For a standard residential upgrade:

Labour - remove existing switchboard, install and test replacement board.

20-circuit switchboard enclosure.

RCDs, circuit breakers, busbar, labels and consumables.

For extra site work:

Additional labour - replace damaged neutral link and tidy unsafe cabling, approved on site.

Additional conduit and cable clips.

For completion notes:

Testing completed and circuits labelled.

The invoice does not need to read like a technical report. It should show the customer what changed and why it cost what it cost.

Materials and markup

Switchboard upgrades can include many parts:

  • Board enclosure.
  • RCDs.
  • Circuit breakers.
  • Busbar.
  • Cable and conduit.
  • Labels.
  • Clips, saddles and junction boxes.
  • Consumables.

If you charge materials at cost plus markup, be consistent. The markup covers purchasing time, stock carried in the van, supplier changes, warranty risk and admin. For broader setup, see materials pricing.

GST and payment terms

If your business is GST-registered, show GST clearly with subtotal, GST amount and total including GST. If you are not registered, do not charge GST.

For payment terms, use whatever was agreed on the quote. Same-day payment or 7 days may suit residential work. Builders, property managers and strata clients may expect different terms. The key is to send the invoice as soon as the upgrade is complete so the payment clock starts immediately.

The free invoice generator can help you build a one-off invoice, and the free invoice template gives you a structure to compare against.

Voice workflow for switchboards

With voice invoicing, you do not need to type the whole switchboard invoice at night.

Say:

"Switchboard upgrade at 15 Smith Street. Convert approved quote to invoice, add one extra RCD and thirty minutes labour for damaged neutral link, testing complete."

SMASH for electricians turns that into itemised line items while the job is still fresh. If you use Xero or QuickBooks, Starter and higher plans can sync the invoice to accounting software. See pricing.

Avoid vague upgrade invoices

Avoid:

Electrical upgrade - $2,400.

Use:

Switchboard upgrade - labour, 20-circuit board, RCDs, breakers, labelling and testing.

The clearer version is easier to approve and easier to defend if a customer asks questions later.

Bottom line

Switchboard upgrade invoices should be approval-ready: match the quote, itemise labour and major materials, show GST correctly, include testing notes, and send the invoice before the details blur into the next job.

Frequently Asked Questions

What should a switchboard upgrade invoice include?

Include business details, ABN, licence number, customer and site details, invoice date, due date, approved scope, labour, board, RCDs, breakers, materials, testing notes, total and GST if registered.

Should a switchboard upgrade invoice match the quote?

Yes. The invoice should match the approved quote unless the customer approved extra work. Any changes should be listed clearly on the invoice.

Should RCDs and breakers be itemised?

Yes. Itemising major components like RCDs, circuit breakers and the board enclosure helps customers understand the cost and keeps material recovery visible.

Can SMASH convert a switchboard quote into an invoice?

Yes. Create the quote in SMASH, record approval, then convert it into an invoice and add any site changes by voice.

About SMASH Team
SMASH builds voice-to-invoice tools for self-employed service workers who want to send invoices before admin becomes a night-time job.