How to Safely Upgrade Your Home Electrical Panel

By Spartan Electrical Service
on
Electrician upgrading a home electrical panel safely

Is your home’s electrical panel starting to feel like an old, overworked traffic cop—waving in more cars than it can handle? You’re not alone. Many homeowners and small business owners face flickering lights, tripped breakers, or worse, mysterious power loss. Electrical panels are the unsung heroes of modern life, but even heroes need an upgrade sometimes.

At Spartan Electrical Service, we know how overwhelming and urgent these issues can feel. Electrical safety isn’t just about comfort—it’s about protecting your family, your property, and your peace of mind. Let’s break down what you need to know to upgrade your panel safely, step by step.

Why Upgrade Your Electrical Panel? ⚡

Think of your electrical panel as the heart of your home’s power system. It channels electricity to every room, every outlet, every device. But just like a heart, it can get tired or overloaded, especially as technology and appliances demand more juice.

Common Signs It’s Time for an Upgrade

  • Frequent tripped breakers or blown fuses
  • Lights that flicker or dim when appliances run
  • Outlets that feel warm or spark
  • The smell of burning plastic near your panel
  • Adding new appliances (like EV chargers or hot tubs)
  • Your panel is more than 25–30 years old

Ignoring these signs is like driving a car with squeaky brakes—eventually, something’s going to give.

Quick Safety Checklist Before You Start

Safety first, always. Electricity isn’t forgiving. Here’s a checklist to help you stay out of harm’s way:

  • Turn off all major appliances before any work starts.
  • Never open your panel cover unless you know exactly what you’re doing.
  • Look for water leaks or dampness near the panel—call for help if you spot any.
  • Check for strange smells (burning, melting plastic, ozone).
  • Keep children and pets away from the work area.
  • Don’t use makeshift tools or “DIY” fixes with electrical tape.

When in doubt, step back and call a licensed emergency electrician. The National Fire Protection Association (NFPA) warns that electrical failures are a leading cause of home fires.

DIY vs. Call a Pro

Upgrading an electrical panel isn’t like changing a lightbulb or swapping out an outlet cover. It’s more like performing open-heart surgery on your home’s power system.

Risks of DIY Electrical Work

  • Shock or electrocution: Even with the main breaker off, some panel parts remain live.
  • Code violations: Mistakes can void insurance or cause failed inspections.
  • Fire hazards: Loose connections or mismatched breakers can overheat.
  • Costly mistakes: Fixing a botched upgrade often costs more than doing it right the first time.

When to Call an Emergency Electrician

If you’re unsure, see sparks, smell burning, or lose power unexpectedly—don’t wait. Call a professional immediately. They’re trained to spot hidden dangers and handle high-voltage wiring safely.

What Pros Do On Arrival

When you call Spartan Electrical Service, here’s what you can expect:

1. Initial Inspection

A licensed electrician will:

  • Inspect your current panel, wiring, and grounding
  • Check for overloaded circuits or outdated breakers
  • Assess your home’s electrical load and future needs
  • Identify any code violations or safety hazards

2. Permits & Paperwork

Upgrading a panel usually requires permits. Pros handle:

  • Filing for the right permits with local authorities
  • Scheduling inspections as needed
  • Ensuring all work meets the National Electrical Code (NEC) standards

3. Power Shutdown

Before any work starts, your home’s power is safely shut off. This step isn’t optional—it’s essential.

4. Removing the Old Panel

  • Carefully disconnecting all wires and breakers
  • Labeling circuits for easy reconnection
  • Checking for hidden damage or corrosion

5. Installing the New Panel

  • Mounting the new panel securely
  • Connecting circuits to the correct breakers
  • Upgrading grounding and bonding as needed
  • Installing surge protection (if requested)

6. Final Testing & Inspection

  • Powering up and testing each circuit
  • Checking for proper voltage and grounding
  • Walking you through the new panel’s features

A professional electrician ensures everything is up to code and safe for your family.

Prevention & Maintenance Tips

An upgraded panel isn’t a “set it and forget it” solution. Like any vital system, it needs regular checkups.

  • Schedule annual safety inspections (especially before winter storms)
  • Keep the area around your panel clear—no storage or clutter
  • Listen for odd noises like buzzing or crackling
  • Test your breakers every few months by flipping them off and on
  • Ask about whole-home surge protection for extra peace of mind

The Electrical Safety Foundation International (ESFI) recommends regular maintenance to prevent future hazards.

Costs & Time Factors

Every home is different, so costs can vary. Here’s what affects the price and timeline:

What Influences Cost

  • Panel size: Upgrading from 100-amp to 200-amp costs more
  • Number of circuits: More circuits mean more labor
  • Wiring condition: Old or damaged wiring may need replacement
  • Permits and inspection fees
  • Upgrades: Adding surge protection, whole-home generators, or smart features

Typical Time Frame

  • Simple upgrades: 4–8 hours
  • Complex jobs: 1–2 days, especially if rewiring is needed

Budgeting Tip: Plan a little extra for unexpected repairs. Electrical work sometimes uncovers hidden issues.

When It’s an Emergency

Not all electrical panel upgrades can wait. Call an emergency electrician if you notice:

  • Smoke, sparks, or visible fire
  • Complete loss of power with no clear cause
  • Burnt or melted panel components
  • Breakers that won’t reset or stay on

Quick action can prevent property damage or injury.

FAQ: Electrical Panel Upgrades

How do I know if my panel is too small for my home?

If you’re constantly tripping breakers or adding new appliances, your panel may be maxed out. An electrician can measure your home’s load and recommend the right size.

Will I need to upgrade my wiring too?

Sometimes. If your wiring is outdated, damaged, or not rated for a larger panel, it should be upgraded for safety.

Can I add more circuits instead of upgrading the whole panel?

Only if your panel has unused slots and enough capacity. Overloading a panel is risky and against code.

Do I need to be home during the upgrade?

Yes, you’ll need to be present to give access, answer questions, and review the work when it’s done.

Special Considerations for Panel Upgrades

Seasonal Prep

Before winter storms or summer heatwaves, make sure your panel can handle increased demand—especially if you rely on heaters, air conditioners, or backup generators. Upgrading before extreme weather hits can keep your home safe and comfortable.

Code Compliance

Electrical codes change over time. Upgrading your panel brings your home up to current standards, which is important if you’re planning to sell or renovate.

Insurance & Safety Certificates

Many insurance companies require proof of a modern, safe electrical system. After an upgrade, you’ll receive certificates and documentation for your records.


Call Spartan Electrical Service now — or reach us anytime at  877-703-4275 .

Electrical emergency? Trust Spartan for prompt, skilled help. 877-703-4275