Electrician Training Electrical Certification wiring recessed light fixtures Electrical Wiring Electrical Troubleshooting and Electrical Repairs wire outdoor light fixture Home Electrical Wiring Diagrams
wiring home generator and transfer switch wiring a 220 volt range cord outlet Wiring for GFCI Outlets Wiring Outlets and a Switched Outlet Wiring and Installing Ceiling Fans and Remote Controls wire dimmer switch wiring diagrams for switches wiring a dryer cord and 220 outlet circuit breaker panel
Electrical Wire and Cable


Calculating Electrical Power Requirements

I am looking to lease a 5,000 sq ft building that has (2) 200 amp 3 phase 220/480 electrical panels feeding (1) 110/220 panel…

Electrical Power Requirements for a Commercial Kitchen
Background: Sarah, a Homeowner from Eugene, OR
Question: I am looking to lease a 5,000 sq ft building that has (2) 200 amp 3 phase 220/480 electrical panels feeding (1) 110/220 panel.

My business will supply four kitchens with full functioning commercial equipment. Ovens, microwaves, stoves mixers and more.

Up to four computers and offices.

Some of the equipment that will be used:
1 3 hp walk in cooler compressor
2 domestic freezers
hot water heater
washer and dryer
possibly an elevator (small non functioning right now)

Is the current power supply enough to support my current needs? And if so, is there enough power to add on more power in the future?

Thank you so much for your web site. This is the first time I have been on it. I can see that I will be using it a lot!

Sincerely, Sarah

Dave’s Reply:
Thanks for your electrical question Sarah.

I have provided the following resources that lead to fully detailed information on this website that will assist you with your electrical question:

For more information about Troubleshooting
Troubleshooting Electrical Wiring

This link is helpful as a Homeowner
Do-It-Yourself Electrical


» You Can Avoid Costly Mistakes! «

Here's How to Do It:
Wire It Right with the help of my Illustrated Wiring Book

Great for any Home Wiring Project.


  electrical wiring  

Complete Guide to Home Electrical Wiring

Perfect for Homeowners, Students,
Handyman, Handywomen, and Electricians
Includes:
Wiring GFCI Outlets
Wiring Home Electric Circuits
120 Volt and 240 Volt Outlet Circuits
Wiring Light Switches
Wiring 3-Wire and 4-Wire Electric Range
Wiring 3-Wire and 4-Wire Dryer Cord and Dryer Outlet
How to Troubleshoot and Repair Electrical Wiring
Wiring Methods for Upgrading Electrical Wiring
NEC Codes for Home Electrical Wiring
....and much more.




Be Careful and Be Safe - Never Work on Energized Circuits!
Consult your Local Building Department about Permits and Inspections for all Electric Wiring Projects.

More articles about Commercial, Electrical and Home Electrical Wiring:
« Previous Next »
Considerations When Upgrading Home Electrical Wiring Calculating Voltage Drop for an Underground Circuit

FAQs Frequently Asked Questions and Comments

2 Responses to “Calculating Electrical Power Requirements”
  1. Meeran says:

    Hi friend, I have a small industry. Now I have a 20 machines like bending, cutting, and a punching machine. It’s all machines minimum 25tons weight.

    I am not start industry now only I will install.

    Now I ask my question.

    How to calculate power requirement.? I don’t have proper electrical requirements. So please explain completely.

    • Dave Rongey says:

      Hi Meeran,
      The electrical panel size power requirement will be based on the number of machines that will be used at the same time. Each large machine will typically require it’s own dedicated circuit with overload protection. If the various machines will be used by more than one person then the electrical service panel will have a higher amperage demand at that given time, so the size of the electrical panel must support the total demand for all circuits that are used simultaneously.
      I hope this helps you with your machine shop,
      Dave

You must be logged in to post a comment.