Don't touch a scorched or smoking outlet. Turn off power at the breaker first, and don't use water on electrical fires.
What usually causes this?
Short circuit
Hot and neutral or ground conductors touching produce a large spark.
Loose connection
Loose wires can arc every time a load is applied.
Worn or damaged outlet
Old outlets can fail internally.
Moisture
Water in outdoor, bathroom or kitchen outlets can cause arcing.
Faulty appliance
A damaged cord or appliance can short at the plug.
What you can safely check
These details help an electrician find the cause faster. Look and listen only — do not remove covers or touch wiring.
- Size and color of the spark
- Marks on the outlet face
- Whether the breaker tripped
- Whether the device that sparked works elsewhere (only if undamaged)
- Smell or warmth
Warning signs that need a professional
- Sparks larger than a quick flash
- Scorch marks or melted plastic
- Burning smell
- Breaker tripped with the spark
- Sparking without plugging anything in
When should you call an electrician?
Call an electrician for any outlet that produced a large spark, left marks or tripped the breaker. They'll check the outlet, connections and circuit for damage and repair it safely.
Services that fix this problem
Electrical Outlet Repair
Fixing dead, loose, warm, sparking or scorched outlets — and the wiring problems behind them.
Emergency Electrician
Urgent help for burning smells, sparking, hot panels, water-exposed wiring and sudden loss of power at home.
Electrical Repair
Diagnosis and repair of dead circuits, failing outlets and switches, tripping breakers and other everyday electrical faults in your home.
Circuit Breaker Repair
Diagnosing breakers that trip, won't reset, buzz or feel warm — and fixing the circuit problem behind them.
Related electrical problems
Frequently asked questions
A very small, brief blue flash when plugging in an appliance that's on can be normal. Anything bigger or accompanied by marks, smell or sound is not.
Yes, particularly if it's caused by loose wiring or a short circuit near combustible materials.
No. A sparking outlet may have damaged wiring behind it that needs an electrician's inspection.