Partial Loss of Power in Adelaide's North East

Half the house working and the other half isn't?

That's usually a very different problem to a complete power outage.

You might still have lights but no power points. The kitchen might be working while the bedrooms aren't. Or one section of the house may have suddenly gone completely dead.

When that happens, the fault is often isolated to a particular circuit or part of the electrical installation.

The good news is that narrowing the problem down usually gives us a very useful starting point.

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Start with your switchboard.

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Before calling an electrician, have a quick look at your switchboard.

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If a safety switch or circuit breaker has tripped, unplug everything connected to the affected area before trying to reset it.

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If the switch stays on, reconnect appliances one at a time. A faulty appliance may have caused the problem.

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If nothing has tripped, the switch won't reset or the affected area stays without power, there's likely a fault that needs investigating.

It might be time for fault finding if...

  • Some rooms have power while others don't.
  • Your lights work but your power points don't.
  • One section of the home has suddenly gone dead.
  • A circuit breaker appears on but the circuit still isn't working.
  • Resetting the switchboard doesn't restore the affected area.
  • Power disappears when a particular appliance is used.
  • The same section of the home keeps losing power.
  • You noticed flickering, crackling or unusual behaviour beforehand.

Narrowing down the problem is half the battle.

A partial loss of power gives useful clues about where the fault may be.

I'll determine which circuit or section of the installation is affected, then work through it methodically until the actual cause is found.

The problem could be something straightforward, like a faulty appliance or electrical accessory, or it could involve damaged wiring or a failed connection somewhere along the circuit.

Once I've found it, I'll explain what went wrong and the best way to repair it.

Circuits aren't always laid out the way you'd expect.

Established homes have often been altered many times.

A bedroom power point might share a circuit with something at the other end of the house. Extensions may have been added years later, and older wiring can have connections hidden in places you'd never expect.

That's why partial power faults can sometimes take a bit of patience.

Instead of assuming where the circuit goes, I test it and follow the evidence until the fault is found.

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Methodical fault finding beats guesswork.

When only part of your home loses power, randomly replacing switches and power points can waste a lot of time without fixing anything.

I'll narrow down the affected circuit, test what's actually happening and work toward the cause rather than guessing at the solution.

Once it's found, you'll understand what failed, why that part of the home stopped working and what's needed to put it right.

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Frequently Asked Questions

Why does half my house have power and the other half doesn't?

Homes are divided into multiple electrical circuits. If one circuit develops a fault or loses supply, everything else can continue working normally while that particular section goes dead.

What should I check before calling an electrician?

Check your switchboard for a tripped safety switch or circuit breaker. If one has tripped, unplug everything connected to the affected area before resetting it. If it stays on, reconnect appliances one at a time to see whether one of them is causing the fault.

My circuit breaker is on, but I still have no power. Why?

A switch showing as on doesn't guarantee the entire circuit is healthy. There could be a failed connection, damaged wiring or another fault further along the circuit that needs to be located through testing.

Why do my lights work but none of my power points do?

Lighting and power points are generally supplied by separate circuits, so it's possible for one to fail while the other continues working normally.

Can one faulty power point cause other power points to stop working?

Yes. Depending on how the circuit is wired, a fault or failed connection at one point can affect other outlets further along the same circuit.

Is partial loss of power dangerous?

Not necessarily, but an unexplained loss of power shouldn't be ignored. If you notice burning smells, heat, crackling, sparking or damaged equipment, leave the affected circuit switched off until it's been checked.

Servicing Homes Across Adelaide’s North East

Electrical specialists for homes across:

Athelstone
Banksia Park
Dernancourt
Fairview Park
Golden Grove
Highbury
Holden Hill
Hope Valley
Houghton
Modbury
Modbury Heights
Inglewood
Paradise
Redwood Park
Ridgehaven
Rostrevor
St Agnes
Tea Tree Gully
Upper Hermitage
Wynn Vale

Don't see your area listed? Contact us - we may still be able to help!

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