Electrical Burning Smell in Perth: Causes and What to Do
An electrical burning smell is one of the few warning signs you should never ignore, because it often means something is overheating behind a wall, in a power point, or at your switchboard. If you notice an electrical burning smell in your Perth home, acting quickly can prevent a fire. Here is what causes it and exactly what to do.
Why an electrical burning smell is serious An electrical burning smell, often described as acrid or like hot plastic, usually means electrical components are overheating. Overheating melts insulation and can ignite nearby materials, so an electrical burning smell is a genuine early warning of a potential fire, not a minor odour to air out and forget about.
What to do right now
- Switch off the power at the affected circuit or the main switch
- Unplug appliances on that circuit if it is safe to do so
- Do not keep using the power point or switch involved
- Ventilate the area and check for heat, smoke or scorching
- Call a licensed electrician, urgently if the smell is strong
- Call 000 if you see smoke, sparks or flames
Common causes of an electrical burning smell Typical causes include an overloaded circuit or power board, a loose connection arcing and heating up, a failing power point or switch, deteriorating wiring in older homes, or a faulty appliance. Each creates heat where there should be none, which is what produces that distinctive electrical burning smell.
Overloaded circuits and power boards Plugging too much into one circuit or a daisy-chained power board is a frequent cause. The wiring heats up under the load, producing an electrical burning smell and, eventually, melted plastic. Double-adapters and piggy-backed power boards behind entertainment units are common culprits in Perth homes.
Loose connections and ageing wiring A loose connection in a power point, switch or the switchboard creates resistance, which generates heat and an electrical burning smell. In older homes, ageing or damaged insulation adds to the risk. These faults often hide inside walls and roof spaces, which is why professional fault finding is essential to locate them safely.
A burning smell from an appliance If the smell clearly comes from one appliance, switch it off at the wall and stop using it. A failing motor, element or circuit board can smell like burning before it fails completely. Have the appliance checked or replaced, and if the smell lingers at the outlet after unplugging it, treat that as a wiring issue.
Could it be harmless? Occasionally a burning smell is just dust burning off a new heater or light fitting the first time it runs, which fades quickly. But a persistent or recurring electrical smell, or one paired with heat, flickering or tripping, is never harmless and should be checked without delay.
Why you should not wait An electrical burning smell can come and go, which tempts people to ignore it. That is a mistake, because the underlying fault does not fix itself and usually worsens. The safe response is always to isolate the circuit and get a licensed electrician to find and fix the cause. The state’s Building and Energy sets the safety standards involved.
Smelling burning from a power point, switch or your switchboard?
Switch off the circuit and call ACS Electrical, we find and fix the cause of an electrical burning smell across the Perth metro. Explore our common electrical faults guide, flickering lights guide or electrical maintenance service. Call 0419 967 838.
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