Your electrical panel is where every circuit in your home starts. When it’s healthy, you never think about it. When it isn’t, it can mean tripping breakers, flickering lights or a real fire hazard hiding behind a metal door. For homeowners in Queen Creek and across the East Valley, a panel inspection is one of the simplest ways to know where you stand.
Short answer: An electrical panel inspection is a hands-on check of your breaker panel by an electrician. It looks for loose or overheated connections, corrosion, pest damage, problem breakers and panels that are out of room. Get one before buying or selling a home, before adding a big load like an EV charger or pool, or when you notice warning signs.
What is an electrical panel inspection?
It’s a focused safety check of your main panel and any subpanels. An electrician removes the inner cover safely, looks at how everything is connected, and checks whether the panel can safely carry what your home asks of it today. You get a plain explanation of what’s fine, what needs attention now and what can wait.
A panel inspection is narrower than a full home electrical inspection, which also covers outlets, wiring and protection throughout the house. If you only have one concern, like a buzzing panel or a planned EV charger, start with the panel.
Why does Arizona’s climate matter for electrical panels?
Our weather is hard on electrical equipment. Summer heat makes metal parts expand and contract, which can loosen connections over time. Loose connections run hot, and heat is what damages breakers and insulation. Dust storms and monsoon moisture can bring corrosion and debris, and scorpions, insects and rodents sometimes find their way into panels and nearby wiring.
Add the heavy summer air conditioning load many homes run for months, and you can see why a panel that looks fine from the outside deserves a closer look.
What does an electrician check during a panel inspection?
- Connections: breakers, lugs and wires checked for looseness, and tightened where needed.
- Signs of heat: discoloration, scorching, melted insulation or a burnt smell.
- Corrosion and moisture: rust or oxidation on the enclosure, bus or breakers.
- Pests and debris: nests, droppings, insects or dust buildup.
- Breaker condition and sizing: breakers that are worn, the wrong type for the panel, or too large for the wire they protect.
- Grounding and bonding: whether the system is properly grounded.
- Capacity and space: whether the panel can take the circuits you want to add.
- Labeling: whether the circuit directory is accurate, so you can shut off the right breaker in a hurry.
- Known problem equipment: panels and breakers with a history of problems (see below).
What warning signs mean I should have my panel checked?
- Breakers that trip often, or one that won’t stay on
- Lights that flicker or dim when the AC or a big appliance starts
- Buzzing, crackling or humming from the panel
- A burning smell, scorch marks or discoloration on the cover
- Rust, water stains or signs of pests in or around the panel
- No open spaces left for new circuits
- A Federal Pacific (Stab-Lok) or Zinsco panel, or another older panel a home inspector flagged
Don’t open the panel yourself to look. Removing the inner cover exposes parts that stay energized even with the main breaker off. Note what you see, hear or smell from the outside, and leave the rest to an electrician.
Are Federal Pacific and Zinsco panels dangerous?
Electricians and home inspectors have flagged Federal Pacific Electric (Stab-Lok) and Zinsco panels for years, because their breakers may not trip reliably during an overload or short circuit. Both brands are found in some older Arizona homes. If your home has one, or an inspector flagged your panel, have it evaluated by an electrician. In many cases, replacing the panel is the safest fix. You can also look up specific products on the U.S. Consumer Product Safety Commission recalls page.
How often should I have my panel inspected?
There’s no single schedule that fits every home. A good rule is to have the panel checked:
- Before you buy or sell a home
- Before a remodel, addition or casita
- Before you add a big load like an EV charger, pool, spa or new AC
- After storm damage, water intrusion or a fire nearby
- Any time you notice the warning signs above
- As part of regular maintenance if your home or panel is older
What happens after the inspection?
We explain what we found in plain language and give you a clear price for anything that needs work. Often it’s a simple repair, like tightening connections, replacing a worn breaker, correcting labeling or adding a whole-home surge protector.
If the panel is out of room, damaged or a Federal Pacific or Zinsco panel, we’ll talk about a panel upgrade. We usually install Square D or Eaton panels and materials. We pull permits where required, and we coordinate SRP and APS disconnects and reconnects so you don’t have to. In Queen Creek or San Tan Valley? See our page on panel upgrades in Queen Creek and San Tan Valley. Planning an EV charger? If capacity is tight, a power-monitoring, load-managing EV charger may avoid an upgrade. Read can my panel handle an EV charger.
When should I call an electrician right away?
- The panel or a breaker feels hot, smells like burning or shows scorch marks
- You hear sizzling or crackling from the panel
- A breaker won’t reset, or trips again right away
- Part of your home has lost power and it isn’t a utility outage
- Water has gotten into or around the panel
Stay safe: don’t touch a panel that’s wet, hot or sparking, and keep everyone away from it. If it’s safe to reach, you can turn off the main breaker. If there’s smoke or fire, get out and call 911. Check with SRP or APS if your whole street is dark. Otherwise, call our emergency electrician line. We answer emergency calls 24/7, and our troubleshooting and repair team will find the cause.
Serving Queen Creek and the East Valley
We inspect and repair panels for homeowners and businesses in Queen Creek, San Tan Valley, Gilbert, Mesa, Chandler, Florence, Scottsdale, Apache Junction and Gold Canyon, Sun Lakes, Tempe, Cactus Forest, Coolidge, Paradise Valley and Ahwatukee.
Frequently asked questions
What is checked in an electrical panel inspection?
An electrician checks the connections, breakers and lugs for looseness and heat damage, looks for corrosion, moisture and pests, confirms breakers are the right type and size, checks grounding and bonding, and tells you whether the panel has room for new circuits.
Can I inspect my own electrical panel?
You can look at the outside, read the labels and watch for warning signs like buzzing, burning smells, scorch marks or rust. Don’t remove the inner cover. Parts inside stay energized even with the main breaker off, so leave that to an electrician.
Does a home inspector check the electrical panel?
A home inspector usually does a visual check and may flag concerns with a note to have an electrician evaluate them. An electrician can test, diagnose and repair what the home inspector found.
Are Federal Pacific or Zinsco panels safe?
Both brands have long been flagged by electricians and home inspectors because their breakers may not trip reliably during an overload or short circuit. If you have one, have it evaluated by an electrician. Replacement is often the safest option.
Can a panel inspection tell me if I can add an EV charger or pool?
Yes. Along with the inspection, an electrician can run a load calculation to see whether your panel and service can carry the new load, or whether you need a power-monitoring, load-managing EV charger, a subpanel or a panel upgrade.
Schedule your panel inspection
Henderson’s Electric Solutions LLC is a family-owned electrical contractor in Queen Creek, owned by Randy and Tori Henderson. Randy is our licensed electrician (ROC CR-11 #341452), and we’re bonded, insured and BBB accredited. We find the problem, explain it plainly and fix it right.
Call Randy at (480) 430-2775 or request an estimate online. Regular hours are Monday through Friday, 6 AM to 6 PM, and we answer emergency calls 24/7. Solutions Only - No Excuses.