You plug in a space heater and the whole room goes dark. You reset the breaker; a week later it happens again. It's easy to write off as an old house being an old house — but a panel that can't keep up is one of the more serious safety issues a home can have. Electrical failures are a leading cause of home fires, per the National Fire Protection Association.
Five warning signs to take seriously
- Breakers trip repeatedly — a sign the panel is overloaded, not just "sensitive."
- Warm or discolored outlets and switch plates — heat means resistance, and resistance means risk.
- Flickering or dimming lights when appliances kick on.
- A 60- or 100-amp panel in a home with modern loads (EV charger, heat pump, big kitchen appliances).
- A fuse box or a recalled panel brand — some older panels are known fire risks and should be replaced.
Why it matters more than convenience
The Electrical Safety Foundation International (ESFI) notes that overloaded and outdated wiring is a common, preventable cause of residential fires. An upgraded panel isn't just about running more devices — it's about breakers that actually trip before wiring overheats.
This is not a DIY job
Panel work involves the service entrance and is dangerous and code-regulated. Always hire a licensed pro and confirm a permit is pulled.
Find a licensed electrician
Compare vetted electricians in your area, or go straight to the top-rated pros for quotes. Planning a heat pump or big AC? Loop in your HVAC contractor too, and if you're adding smart devices, see our home security cost guide. First time hiring an electrician? Start with our hiring checklist.