Why Change An Electrical Panel?

Your electrical panel is the heart of your home's electrical system. Every circuit in your house runs through it. When it works well, you never think about it. When it starts to fail, the problems show up fast. An electrical panel change is one of the most important upgrades a homeowner can make. It protects your family, your property, and your ability to power a modern home.

Key Takeaways

• An outdated or undersized panel is a fire and safety hazard.

• Many older homes were built with 60-amp or 100-amp service, which can struggle with today's electrical loads.

• Federal Pacific and Zinsco panels have documented breaker problems, and most electricians recommend replacing them.

• A panel change is sometimes needed before adding an EV charger, hot tub, or major appliance, depending on your panel's capacity.

• A licensed electrician should inspect and replace your panel, not a handyman.

• Homeowners insurance may require a panel upgrade before coverage is issued or renewed.

Your Panel May Be a Safety Risk

Electrical failures or malfunctions are involved in roughly one in eight home fires, according to NFPA. A panel that cannot properly interrupt an overload or fault can let heat build inside your walls. That heat can ignite insulation and framing long before you notice anything wrong.

Dangerous Panel Brands Still Found in Homes

Federal Pacific Electric (FPE) and Zinsco panels were installed in millions of homes from the 1950s through the 1980s. Both brands have a documented history of breakers failing to trip during overloads. They were never formally recalled in the US, but home inspectors and independent testing have flagged them for decades. If your home has either of these panels, we recommend scheduling an evaluation and planning a replacement.

Pushmatic panels are also found in older homes. They are considered obsolete, and original parts are hard to find. Aftermarket breakers exist, but many electricians recommend replacing the panel instead.

Your Home's Electrical Demand Has Grown

The average home built decades ago used far less electricity than homes do today. Older panels were designed to handle that older, lighter load. Today's homes run air conditioning systems, large appliances, home offices, and entertainment systems all at once. A 100-amp panel often cannot keep up once you add an EV charger, a hot tub, or electric heat. A load calculation will tell you for certain.

Common Reasons Homeowners Need More Capacity

An EV charger typically needs a dedicated 240-volt circuit, as do many hot tubs and tankless water heaters. If your panel is full or undersized, you may need a panel change or a subpanel to add them. Many homeowners discover this only after they have already purchased the appliance or the vehicle.

If you rely on residential electrical services like whole-home rewiring or major renovation work, your contractor will likely require an upgraded panel as part of the project. A 200-amp panel is common for new homes today. Some larger homes need even more capacity.

Warning Signs Your Panel Needs to Be Replaced

Your panel will often tell you something is wrong before it becomes a crisis. You just need to know what to look for. Ignoring these signs can lead to serious damage and safety risk. The earlier you catch the problem, the better.

What to Look and Listen For

Breakers that trip frequently, especially on the same circuits, are a sign the panel is struggling with the load. A burning smell near your panel box is a serious warning and should be treated as an emergency. Lights that flicker or dim when appliances turn on point to insufficient capacity or a failing connection inside the panel.

You should also watch for rust, corrosion, or scorch marks inside the panel door. These are physical signs of moisture intrusion or heat damage. If you hear buzzing or crackling from the panel, call a licensed electrician immediately. We offer diagnostics and panel evaluations throughout Lancaster County, York County, and the surrounding areas. You can also review signs your wiring needs attention to better understand what to watch for throughout your home.

Frequently Asked Questions

How long does an electrical panel change take?

Many panel replacements take a day or less, depending on the panel size and the condition of the wiring. The timeline depends on the size of the panel, the condition of the existing wiring, and whether a permit inspection is required same-day. Your power will be off during the work, so plan accordingly.

Will my homeowners insurance require a panel upgrade?

Some insurance carriers will not write or renew a policy on a home with a Federal Pacific or Zinsco panel, and some ask for an upgrade on older panels. Call your insurance company before renewal.

Do I need a permit for a panel change?

Yes. In our area, a panel change requires a permit and inspection. This protects you as the homeowner. It also creates a record of the work, which matters when you sell your home or file an insurance claim. When a permit is required, we handle the process for you.

Can I keep my existing breakers when I upgrade my panel?

In most cases, no. When you replace the panel, the breakers are replaced as well. Breakers must be listed for the panel they go in, so old breakers are typically replaced with the new panel. Your electrician will install new breakers sized correctly for each circuit.

How do I know what size panel I need?

A 200-amp panel is common for new homes today. If you plan to add an EV charger, a hot tub, or a large HVAC system, or if you have a larger home with high electrical demand, your electrician may recommend a higher-capacity service, such as 320 amps where the utility allows it. A licensed electrician can perform a load calculation to determine exactly what your home needs.

Ready to Talk About Your Panel? Call Thomas & Sons Electrical Contractor

An electrical panel change is not a project to put off. If your panel is old, undersized, or showing warning signs, getting it assessed early is the best way to avoid surprises and keep your home protected.

We serve homeowners and businesses across Fort Mill, Indian Land, Waxhaw, and the surrounding communities in both Carolinas. We use flat-rate pricing, pull all required permits, and handle the job from start to finish. Visit thomasandsonsec.com or call to schedule your panel evaluation today.