If you’re planning a home electrical upgrade or replacement, it’s essential to understand electrical panel dimensions. At Washington Electrical, we help homeowners across Washington State select the right panel size to ensure safety, efficiency, and compliance with local electrical codes. By doing so, you can avoid potential hazards and future-proof your home’s electrical system.
What Are Electrical Panel Dimensions?
Electrical panel dimensions refer to the physical size of the panel, including height, width, and depth, as well as the number of circuits and amperage rating. Panels come in a variety of sizes depending on your home’s electrical needs.
For instance:
100–200 amp panels: Most single-family homes in Washington State use these. Typical dimensions are 14–16 inches wide, 24–30 inches high, and 4 inches deep.
High-demand or larger panels (200A+): These are often used in larger homes or homes with high-power appliances, such as EV chargers, HVAC systems, or home offices. Dimensions can reach 20 inches wide, 36 inches high, and 6 inches deep.
By understanding the proper electrical panel dimensions, you can ensure your panel fits your home’s space, meets Washington State electrical codes, and accommodates your current and future electrical needs.
Why Electrical Panel Dimensions Matter
Proper panel sizing is critical for several reasons:
Space and Clearance – Panels require specific clearance around them for safety and accessibility. Without proper spacing, maintenance becomes difficult and hazards increase.
Circuit Capacity – Larger panels allow for more circuits, which is essential for modern homes that use multiple appliances, EV chargers, and home offices.
Washington State Code Compliance – State and local codes require proper panel spacing and breaker layout to prevent electrical hazards. Choosing the correct panel ensures you remain compliant.
Furthermore, selecting the right panel size can prevent costly upgrades in the future, saving homeowners both time and money.
Signs You Might Need a Panel Upgrade
You may need a new panel or larger electrical panel dimensions if you notice any of the following:
Frequent breaker trips or blown fuses
Flickering or dimming lights
Adding high-power appliances, remodeling, or building an addition
An outdated or undersized panel
Additionally, if your home is older than 20 years, it’s wise to have your panel inspected to ensure it meets modern electrical demands.
Why Hire Washington Electrical for Your Panel Upgrade
Choosing the right electrical panel dimensions is more than just picking a size—it’s about safety, reliability, and peace of mind. Our licensed and insured electricians provide:
Professional panel inspections and sizing recommendations
Code-compliant installations for Washington State
Upgrades that prepare your home for current and future electrical needs
By hiring a professional, you reduce fire risks, avoid costly mistakes, and ensure your home’s electrical system can handle modern appliances and technology.
Schedule Your Electrical Panel Upgrade Today
Ultimately, an outdated or undersized panel can lead to serious electrical problems. Therefore, it’s important not to wait until issues arise. Contact Washington Electrical today to inspect your panel and determine the proper electrical panel dimensions for your Washington State home.