Our Electrical Panel Replacement Guide – Answering Your Panel Replacement Questions

by Rob Edwards

Are you considering replacing your electrical panel, but are not sure where to start? You’re not alone. Many homeowners face similar questions. When does a panel need an upgrade? What does the replacement process involve? And how can I choose the right electrical panel for my home? This post answers common electrical panel replacement questions and provides the information you need to make confident decisions. At Custom Electrical, our licensed electricians have replaced panels in homes of every size and age, from century-old properties to new builds needing service upgrades. With our expertise, we’ll help you understand the signs it’s time for a replacement, what to expect during the process, and how a safe, reliable panel protects your home for years to come.

This guide to electrical panel replacements addresses the most common questions and concerns we receive from homeowners considering electrical panel replacement. This resource will help you understand when replacement is necessary, what to expect during the process, and how to ensure your family’s safety while maximizing your investment in your home’s electrical system.

West Des Moines Electrical Panel Replacement Completed in 2025

What is an electrical panel, and why might it need replacement?

An electrical panel, also known as a breaker box or service panel, is the central hub that distributes electricity throughout your home. It receives power from your utility company and divides it into separate circuits that supply different areas and appliances in your house. You may need to replace your electrical panel if it’s outdated, damaged, insufficient for your current electrical needs, or poses safety risks. 

How do I know if my electrical panel needs to be replaced?

Common signs you should start thinking about electrical panel upgrades and replacements include:

  • Frequent circuit breaker trips
  • Flickering lights when you turn on electrical equipment
  • Burning smells from panels or outlets
  • Rust or corrosion on the panel exterior
  • Your panel has obsolete components like fuses instead of modern circuit breakers

If your home still uses a fuse box instead of circuit breakers, replacement is strongly recommended for safety and functionality. Panels manufactured by companies like Federal Pacific Electric (FPE) or Zinsco are known to have safety issues. You should call an electrician as soon as possible to discuss panel replacement. 

Additionally, if you’re planning major electrical upgrades, adding new appliances, or your current panel lacks sufficient amperage for your needs, replacement may be necessary.

What are the most common types of electrical panels that need replacement?

  • Federal Pacific Electric (FPE) panels, installed primarily from the 1950s to 1980s, are considered extremely dangerous due to their breakers’ tendency to fail to trip during overload conditions, creating fire hazards. 
  • Zinsco electrical panels, popular in the 1970s, have similar issues with breakers that may not function properly over time.
  • Fuse boxes, although not inherently dangerous when properly maintained, are outdated compared with modern circuit breaker panels. 
  • Split-bus panels, which have two main breakers instead of one, are no longer up to current electrical codes. 

Any panel showing signs of physical deterioration, such as rust, corrosion, or burn marks, regardless of manufacturer, should be evaluated for replacement.

How much does electrical panel replacement typically cost?

Panel Replacement Project

The cost of electrical panel replacement varies significantly based on the following factors:

  • The complexity of the installation
  • Panel amperage
  • Local permit requirements. 

Generally, homeowners can expect to pay between $1,500 and $4,000 for a standard panel replacement. A basic 100-amp panel replacement costs between $1,500 and $2,500, while upgrading to a 200-amp panel typically ranges from $2,000 to $4,000. Additional costs may include electrical permits ($50-$300), inspection fees, upgrading the electrical meter base, running new wiring if required, and any necessary electrical code updates. 

Complex installations involving significant rewiring or service upgrades can add substantial cost to the replacement project..

Do I need a permit when replacing an electrical panel?

Yes, electrical panel replacement almost always requires a permit from your local building department. This is considered major electrical work that must meet current electrical codes and safety standards. 

The permit process typically involves submitting plans, paying fees, and scheduling inspections. A licensed electrician usually handles permit applications as part of their service. The inspection process includes an inspection before finalizing the panel. And a final inspection after installation. Never attempt panel replacement without proper permits, as this can create safety hazards, insurance issues, and problems when selling your home.

Can I replace an electrical panel myself?

Electrical panel replacement is not a DIY project and should only be performed by licensed electricians. This work involves dangerous high-voltage electricity that can cause electrocution, fires, or death. 

Additionally, most jurisdictions require licensed professionals to perform this type of work to ensure compliance with electrical codes and safety standards. Attempting DIY panel replacement can void insurance coverage, create legal liability issues, and result in code violations. 

Even electrically experienced individuals should hire licensed electrical professionals for panel replacement due to the complexity and safety requirements involved.

How long does it take to replace an electrical panel?

Electrician replacing electrical panel

Electrical panel Installation time can vary based on several factors. 

  • Simple panel swaps in easily accessible locations with minimal complications might be completed in 4-6 hours. 
  • Complex installations with significant rewiring requirements can take more than 12 hours and even extend to multiple days. 

Factors affecting installation time include the condition of existing wiring, accessibility of the installation location, whether you’re having a service upgrade, local code requirements, and inspection timing. Your electrician should provide a time estimate before beginning the panel replacement.

Will I lose power during panel replacement?

Yes, power will be interrupted during electrical panel replacement. The duration depends on the scope of work, but expect to be without electricity for 4-8 hours during a standard replacement. 

Your electrician will coordinate with your utility company to disconnect and reconnect your service. Some electricians can minimize downtime by preparing much of the work in advance and completing the actual switchover quickly. Plan accordingly by charging electronic devices, having flashlights available, and making alternative arrangements for essential needs such as medical equipment that requires electricity.

What should I do to prepare for panel replacement?

The steps to take before the electrician arrives to complete the electrical panel replacement include:

  • Clearing the area around your electrical panel
  • Removing any stored items, furniture, or obstacles that might impede the electrician’s access. 
  • Ensuring there’s adequate lighting and workspace around the panel location

If your panel is in a finished basement or enclosed area, you may need to remove ceiling tiles or wall coverings to provide access. Charge electronic devices and prepare battery-powered lighting, because you’ll be without power during installation. Make arrangements for essential needs, particularly if anyone in your household depends on electrically powered medical equipment. Discuss timing with your electrician to minimize disruption to your daily routine.

How do I choose the right electrician for panel replacement?

Select a licensed electrician with specific experience in panel replacement and service upgrades. Verify their license status with your state’s licensing board and confirm they carry adequate insurance coverage. 

Ensure you request and check panel replacement references and read their online reviews. Obtain detailed written estimates from multiple electricians, ensuring they include all necessary components, labor, permits, and potential additional costs. Before signing the service contract, ask about their experience with your specific panel type and whether they have code compliance concerns. 

Choose an electrician who communicates effectively, provides comprehensive estimates, and demonstrates knowledge of current electrical codes and safety standards.

What maintenance does a new electrical panel require?

While modern electrical panels require minimal maintenance, some basic care helps ensure optimal performance and longevity. Our electricians recommend the following maintenance to retain efficient panel performance:

  • Visually inspect your panel periodically for signs of damage, corrosion, or unusual wear. Keep the panel area clean and free from debris, moisture, and stored items. 
  • Test GFCI and AFCI breakers monthly using their test buttons. 
  • Have a licensed electrician perform professional inspections every 3-5 years or if you notice any issues such as frequent breaker trips, unusual sounds, or burning odors. 

Never attempt to perform maintenance beyond visual inspection yourself, as electrical panels contain dangerous high-voltage components that require professional electrical service.

Request a Free Consultation for Electrical Panel Replacement

Your electrical panel is too important to trust to chance. At Custom Electrical Services, we’re committed to providing Iowa homeowners with safe, reliable electrical panel replacement services that meet the highest standards of quality and safety. Our licensed electricians bring years of experience, comprehensive knowledge of local electrical codes, and a dedication to customer satisfaction to every project.

Don’t wait until electrical problems become dangerous or costly emergencies. Whether you’re dealing with an outdated panel that poses safety risks, experiencing frequent electrical issues, or planning home improvements that require electrical upgrades, our team is here to help. We provide thorough assessments, transparent pricing, and professional installation services that give you peace of mind and protect your most valuable investment.

Are you ready to improve your home’s electrical safety? Contact Custom Electrical Services today to schedule your free electrical panel replacement quote. Our expert team will evaluate your current system, explain your options, and provide you with a detailed estimate tailored to your specific needs. You can also call us at (515) 669-3418 if you have any panel replacement questions.