Melbourne service
RCD safety switch installation and testing across Melbourne by licensed SparkAir electricians.
Compliant
AS/NZS 3000 Wiring Rules
01Overview
SparkAir installs RCD safety switches on Melbourne switchboards to protect people from electric shock and reduce fire risk from faulty wiring or appliances. Installation is carried out by a licensed electrician (REC 37544) to the AS/NZS 3000 Wiring Rules.
To book safety switch installation or testing, call 0422 705 075.
02Details
A safety switch — also called an RCD (residual current device) — monitors the current flowing in and out of a circuit. When it detects a difference caused by current leaking to earth (through a person, a wet appliance or damaged wiring), it disconnects the circuit in milliseconds.
Circuit breakers protect wiring from overload and short circuits. RCDs protect people. Both are needed.
Older Melbourne homes often have RCD protection on some circuits but not others. We can assess your board and fit RCDs where they're missing.
Safety switches should be tested regularly by pressing the "Test" button on the RCD. If the switch doesn't trip, it isn't protecting the circuit — call an electrician.
If your safety switch keeps tripping every time you reset it, don't leave it in the on position. That usually means there's a genuine fault on the circuit that needs to be traced.
On most residential upgrades we recommend RCBOs — safer, easier to diagnose, and less disruptive when a fault does occur.
The AS/NZS 3000 Wiring Rules require RCD protection (typically 30 mA) on all new and altered final sub-circuits — power, lighting and hardwired appliance circuits. For Victorian rental properties, RCD testing forms part of the mandatory two-yearly electrical safety check under the Residential Tenancies Regulations 2021. All prescribed work is certified on completion with an Electrical Safety Certificate under Energy Safe Victoria.
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03Coverage
Local response across inner Melbourne and surrounding suburbs. Not sure if we cover your street? Give us a call.
04Services
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Learn more05FAQs
The AS/NZS 3000 Wiring Rules require RCD protection on new and altered circuits. Older homes may not have RCDs on every circuit — a licensed electrician can assess your board and fit them where they're missing.
Push the Test button on each RCD every few months. If it doesn't trip, or won't reset, book an electrician to check the device and the circuit it protects.
Repeated tripping usually means there's a real fault — a damaged appliance, wet wiring, or a deteriorating cable. The RCD is doing its job. Don't tape it in the on position; have the circuit tested.
Often yes, but it depends on the board type and available space. If there's no room or the board is at end of life, a full switchboard upgrade is usually a better fix.
A circuit breaker protects the wiring from overload and short circuits. An RCD (safety switch) protects people from electric shock by detecting current leaking to earth. An RCBO combines both in one device on a single circuit — the safest and easiest to diagnose.
Yes. Under the current AS/NZS 3000 Wiring Rules, new and altered lighting sub-circuits require RCD protection alongside power and hardwired appliance circuits.
