How Safety Switches Protect Your Family — and Why Victorian Law Requires Them

Ask most people what protects them from electric shock at home and they’ll point at the fuse box. The truth is that ordinary fuses and circuit breakers were never designed to protect people — they protect the wiring. The device that protects your family is the safety switch, and in Victoria it’s no longer optional in most situations.

Safety switch vs circuit breaker — what’s the difference?

• A circuit breaker trips when too much current flows — it stops cables overheating and starting a fire.
• A safety switch (RCD) monitors the tiny difference between the current flowing out and coming back. If electricity is “leaking” — for example through a person touching a faulty appliance — it cuts the power in around 30 milliseconds. That’s fast enough to save a life.

You need both. They do different jobs.

What the rules require in Victoria

Victoria’s wiring rules require safety switches on new and altered circuits, and they’re mandatory on power and lighting circuits in newer and renovated homes. For rental properties, the Residential Tenancies Regulations 2021 require an electrical safety check every two years by a licensed electrician — and a board without working safety switches will not pass.

If you’re a landlord or property manager around Geelong, our electrical safety inspection service covers the full check and a same-day written report (electrical check $220, smoke alarms $85, combined $300).

How to test your safety switches

Press the TEST button on each RCD every three months. The switch should trip immediately. If it doesn’t trip — or won’t reset — call a licensed electrician. While you’re there, count them: many older Geelong homes have just one safety switch (or none), when ideally every power and lighting circuit is protected.

Common reasons a safety switch trips

• A faulty appliance (unplug things one at a time to find it)
• Moisture in an outdoor power point or light fitting — common after Bellarine storms
• An ageing RCD at the end of its service life
• Genuine wiring faults that need investigating — see our fault finding service

Not sure if your home is protected?

We can check your switchboard, test your safety switches and tell you exactly where you stand. Get in touch or call 0433 444 331 — servicing Belmont, Geelong and the Bellarine seven days a week.