Circuit Breaker Panel Planning for Commercial Kitchens: A Guide
Circuit breaker panel planning is one of the less visible but most important parts of designing a commercial kitchen’s electrical system. Underestimating power needs during planning leads to tripped breakers, equipment limitations, and costly rework once the kitchen is already built out.
Why Electrical Planning Gets Overlooked
Kitchen layout and equipment selection often get the most attention during planning, while the electrical capacity needed to actually run that equipment gets addressed later — sometimes too late.
Calculating Total Electrical Load
Every piece of electrical equipment, from ranges to refrigeration to lighting, draws a specific amperage, and a circuit breaker panel needs enough total capacity to handle everything running simultaneously during peak service.
- List amperage draw for every electrical appliance
- Account for simultaneous peak usage, not just average load
- Build in headroom for future equipment additions
Dedicated Circuits for Key Equipment
High-draw equipment like walk-in compressors and combi ovens typically need dedicated circuits rather than sharing a circuit with other equipment, to avoid overload and nuisance tripping.
Planning for Future Growth
A panel sized exactly to current equipment needs leaves no room for adding equipment later without a costly panel upgrade, so many electricians recommend building in extra capacity upfront.
Working With a Licensed Electrician
Panel planning should always involve a licensed commercial electrician who can calculate load requirements accurately and ensure the installation meets local electrical code.
Common High-Draw Kitchen Equipment
| Equipment | Typical Circuit Need |
|---|---|
| Walk-in Compressor | Dedicated circuit |
| Combi Oven | Dedicated high-amperage circuit |
| Ice Machine | Dedicated circuit |
| Exhaust Hood Fans | Dedicated circuit |
Frequently Asked Questions
When should electrical planning happen in a build-out?
Ideally during initial layout and equipment selection, not after equipment has already been ordered and installed.
Can an existing panel be upgraded later?
Yes, though panel upgrades add cost and downtime, which is why planning for future capacity upfront is usually more efficient.
Does used equipment have different electrical needs?
Electrical draw is based on the equipment’s specifications, not its age, so used equipment should be evaluated the same way as new.
Who calculates the required panel capacity?
A licensed commercial electrician typically calculates total load requirements based on the full equipment list and local code requirements.