Understanding Electrical Panels: What You Need To Know

February 8, 2024
A close up of a circuit breaker on a wall

Electricity plays an essential role in our daily lives, powering our homes, schools, offices, and industries. However, electricity can also be hazardous if not handled well. That's why electrical panels are crucial components of any electrical system.


Electrical panels serve as centralized distribution points for electrical power, breaking it down into separate circuits and distributing it throughout your home or building. In this blog post, we'll explore the basics of electrical panels, their types, and some fundamental considerations to keep in mind when selecting or maintaining them.


Electrical Panel Basics

Electrical panels are typically located in a central location, often in the basement or utility room. They serve as the main switchboard for distributing electricity through circuits that serve different parts of your home or building.


An electrical panel consists of a metal box with various switches, fuses, and circuit breakers to regulate the flow of electrical power. When too much current passes through a circuit, the circuit breaker trips, cutting off the flow of electricity to that circuit.


Types of Electrical Panels

Electrical panels come in different types, depending on their capacity, design, and application. Some common types include main breaker panels, subpanels, and fuse boxes. A main breaker panel is the primary circuit breaker box that receives electricity from the utility company and distributes it throughout the house.


A subpanel, on the other hand, is a smaller version of the main breaker panel that handles specific circuits or rooms in the house. A fuse box is an older version of an electrical panel that uses fuses instead of circuit breakers to regulate the flow of electricity. Fuse boxes are less common today than they were in the past.


Electrical Panel Considerations

When selecting or maintaining an electrical panel, there are several factors to consider. The first consideration is capacity. Electrical panels come in different sizes, and their capacity is measured in amps. A panel's capacity should be sufficient to handle the electrical load of your home or building.


If you plan to add more appliances or electronics to your home, you may need to upgrade your electrical panel. The second consideration is safety. Electrical panels should be installed and maintained by licensed electricians to avoid the risk of electrical shock or fire hazards. The third consideration is accessibility. Electrical panels should be easily accessible and not obstructed by furniture or other objects to allow easy maintenance and troubleshooting.


Electrical Panel Maintenance

Regular maintenance of an electrical panel is necessary to ensure its proper functioning and safety. Some basic maintenance practices include cleaning the panel surfaces, tightening any loose connections, replacing worn-out parts, and testing the circuit breakers regularly. Additionally, you should schedule regular inspections by licensed electricians to check for any potential issues that could pose safety hazards.


Electrical Panel Upgrades

If you find that your electrical panel isn't meeting your home or building's needs, you may need to upgrade it. Upgrading an electrical panel entails the replacement of the current panel with a new one that offers improved capacity and enhanced features. Upgrading an electrical panel is a complex process that requires a licensed electrician's skills, expertise, and proper equipment. An electrical panel upgrade can improve your home's energy efficiency, increase its resale value, and enhance its safety.


Electrical panels are critical components of any electrical system, ensuring the safe and efficient distribution of electricity throughout your home or building. By understanding the basics of electrical panels, their types, considerations, maintenance, and upgrades, you'll be better equipped to make informed decisions about selecting, maintaining, or upgrading your electrical panel.


Remember, safety should always be your top priority when dealing with electricity. Therefore, always hire licensed electricians to install, repair, or upgrade your electrical panels. For more information, reach out to the expert electricians at Reinhold Electric.

Two electricians are working together on an electrical distribution board.
August 11, 2026
Learn which credentials matter when hiring certified electricians in Springfield, MO, and why Reinhold Electric is the area's trusted choice.
Two electricians in a safety hat and headphones on a factory.
August 11, 2026
Reinhold Electric offers commercial electrician services in Springfield, MO. Discover high-ROI upgrades for your business. Call for a free consultation today.
Electrician works on panel.
August 11, 2026
Facing an electrical emergency in Springfield, MO? Reinhold Electric is available 24/7. Learn what to do now, then call for fast help.
Electrician working on wiring and electrical panels inside a commercial building
July 22, 2026
Need a Commercial Electrician in Springfield, MO? Reinhold Electric handles data cabling & low-voltage wiring. Licensed, full-service. Call today.
Connected large rental diesel generator on a mobile trailer for outdoor event power supply.
July 2, 2026
Need the right generator size? Reinhold Electric's portable generator rental service in Chesterfield, MO, covers every wattage tier. Call for expert guidance today.
An electrician testing wires inside an open electrical panel using a meter and insulated tools.
May 1, 2026
Stay code-compliant with commercial electrician services from Reinhold Electric Inc. in Springfield, MO. Call 417-708-4629 or click here to learn more.
Electrical tools and wiring parts laid out on a circuit schematic.
May 1, 2026
Need a trusted commercial electrician in Springfield, MO? Reinhold Electric helps prevent outages with predictive maintenance. Call 800-378-1158 today.
Electrician in orange jumpsuit and hard hat working on electrical panel, holding tablet.
October 21, 2025
Need an emergency electrician in Springfield, MO? Reinhold Electric offers certified, 24/7 electrical services. Call 1-800-378-1158 for immediate assistance.
A person using a clamp meter to measure electrical current in a control panel with wires and components.
October 21, 2025
Reinhold Electric offers expert commercial electrician services in Springfield, MO. Call 314-631-1158 for energy-saving solutions and reliable upgrades.
An emergency electrician in a safety vest & glasses works on fixing an electrical meter for safety.
May 19, 2025
Call Reinhold Electric Inc. at (314) 631-1158 for trusted emergency electrician services in Kansas City, MO. Available 24/7 when you need us most.