If you smell burning or see sparks at the breaker panel, stop resetting breakers, keep the cover closed, and keep people away from it. If you see smoke or flames, leave and call 911 first. Otherwise call Spark Doc at (913) 390-3780 and describe what you smell, hear, or see. You can also book a visit online when the situation is stable enough to wait for a scheduled slot.
What a Burning Smell Usually Means
Electrical burning is not the same as a dusty heater smell that fades after a few minutes. Persistent odor at the panel points to heat on a connection that should stay cool.
- Loose lug or breaker that arcs and heats insulation
- Overloaded circuit cooking a breaker that will not clear the fault cleanly
- Failing main or branch breaker with worn contacts
- Damaged or recalled panel (including Federal Pacific and Zinsco) that needs replacement, not another reset
What Causes a Panel to Spark?
Electrical arcing inside a panel generates temperatures exceeding 35,000°F, hotter than the surface of the sun. It can ignite the wooden framing around your panel in seconds. If you see smoke or flames, leave the house and call 911 immediately.
Sparking happens when electricity jumps (arcs) across a gap between two conductive surfaces that should be in solid contact. In a breaker panel, the most common causes are:
- Loose wire lugs: Wires connecting to breakers or bus bars that have loosened over time, allowing arcing at the connection point.
- Worn or failing breakers: Breakers that no longer snap firmly into the bus bar lose proper contact and can arc.
- Moisture or corrosion: Water intrusion or condensation creates conductive paths between components that shouldn't touch.
- Recalled panel brands: Federal Pacific (Stab-Lok) and Zinsco panels are known to fail to trip under overload and are prone to arcing. If you have one of these, consider replacement regardless of symptoms.
Buzzing or Crackling at the Panel
Buzzing or crackling from the panel is the sound of electrical arcing, electricity jumping across a loose or failing connection. It is the same process that creates visible sparks, just at a level you may not see yet. Both the sound and visible sparks should be treated as emergencies: stop resetting breakers and call (913) 390-3780.
What To Do Right Now
✓ Do This
- Call (913) 390-3780 and describe what you notice
- If you smell smoke or see flames, leave and call 911
- Keep people and pets away from the panel
- Note any smells, sounds, or visible damage
✗ Don't Do This
- Do not touch the panel
- Do not keep resetting breakers
- Do not spray cleaners into the panel
- Do not open the cover; keep it closed
- Do not ignore it and wait
Repair or Replace?
Not every burning or sparking panel needs full replacement. A single failing breaker or loose lug can be repaired. But if the panel itself shows signs of heat damage, the bus bars are corroded or scorched, or you have a recalled brand like Federal Pacific or Zinsco, replacement is the safer long-term choice. That work is covered on our panel upgrade and replacement page. We'll give you an honest assessment and upfront pricing, no upselling.
Warm panel cover, breakers that will not stay on, or half the house dark can show up with the same heat fault. We may also check for a partial power outage or a breaker that keeps tripping.
If you need help urgently, call to ask. We come out when we are available. See emergency electrician.
What Happens on the Visit
We treat panel odor and arcing as a heat hunt: make the panel safe to inspect, find the hot spot, and tell you whether a breaker swap, lug repair, or full panel replacement is the honest fix.
- Secure the scene. Confirm there is no active smoke or fire risk before opening the cover.
- Inspect for heat and arcing. Look at breakers, bus bars, and lugs for discoloration, scorch, melt, or loose connections.
- Test and isolate. Identify which circuit or the main is involved and meter under controlled conditions.
- Quote the real fix. Repair when it is safe and lasting. Recommend a panel replacement when the panel is damaged or recalled (including Federal Pacific and Zinsco).