Why is My Power Point Not Working?
Electrical Safety Guide · Verified against Australian Standard AS/NZS 3000
A power point stops working when its dedicated circuit breaker or safety switch (RCBO) has tripped, an upstream safety switch has isolated the circuit, or internal mechanical switch contacts have failed. If multiple power points along a wall are dead, a loose loop-through terminal in an adjacent socket is often responsible.
Immediate Safety Warning
Never insert knives, screwdrivers, or foreign metal objects into a power point socket to 'test' for power. Live 240V contact can cause fatal electric shock. If a power point shows scorch marks or has loose loose faceplates, leave it alone and call a licensed electrician.
How Power Point Circuits Operate
In Australian domestic installations, power outlets are wired using 2.5mm² TPS cable connected in a radial or ring sub-circuit protected by a 16A or 20A circuit breaker.
Because power points are connected sequentially, a fault at an early socket (such as in the hallway) can cause sockets downstream in the living room and bedrooms to lose power simultaneously.
Our electricians quickly test each node in the chain to locate open circuits, replace failed switch mechanisms, and restore full household power with compliant Clipsal or Hager faceplates.
Common Causes of This Issue
1. Tripped Safety Switch or Circuit Breaker
Check your switchboard first. A breaker may have tripped to the middle or 'OFF' position due to an overloaded circuit or earth leakage fault.
2. Internal Switch Mechanism Failure
Wall switches contain small copper rocker plates. Over thousands of clicks, internal springs fatigue or contacts corrode, leaving the switch permanently disconnected in the 'OFF' state.
3. Disconnected Loop-Through Neutral or Active Wire
Power points are wired in a daisy-chain 'loop' configuration. If a screw terminal loosens on one socket, every subsequent power point further along the line loses power.
4. Tripped External or Sub-Board Breaker
Outdoor sockets, sheds, and garages are often fed from dedicated sub-boards or separate safety switches that may have tripped independently.
What You Can Check Safely vs What Requires a Licensed Electrician
✅ What You Can Check Yourself
- Test the appliance in a known working power point in another room to confirm the appliance itself hasn't failed.
- Inspect your main switchboard to confirm all circuit breakers and RCDs are firmly in the ON position.
- Check if any safety switches have tripped halfway — push them firmly DOWN to reset before pushing UP.
- Test adjacent power points in the same room to determine if the entire circuit is dead or only a single socket.
⛔ Requires a Licensed Electrician (REC)
- Removing power point faceplates and testing live terminal voltage with calibrated two-pole testers.
- Repairing broken loop-through conductors and re-terminating damaged wires.
- Replacing cracked, loose, or burnt double power points.
- Issuing a Certificate of Electrical Safety under Victorian regulations.
Under Victorian law, all fixed electrical wiring, switchboard modifications, and power point replacements must be performed by a Registered Electrical Contractor (REC) and issued a Certificate of Electrical Safety (CES).
Frequently Asked Diagnostics Questions
Can I replace a broken power point myself in Victoria?
No. Under the Victorian Electricity Safety Act 1998, DIY electrical work is strictly illegal. All power point replacements must be completed by a Registered Electrical Contractor (REC).
Why did one half of my double power point stop working while the other works?
The rocker switch mechanism for that individual outlet has experienced internal mechanical failure or carbon buildup on its contact point, requiring replacement of the entire double faceplate.
Need On-Site Diagnostic Assistance?
Nick is available for emergency fault finding across Melbourne's West