This design tool performs electrical service and feeder load calculations for Commercial, Institutional and Industrial Premises as per the electrical code.

It also comes with electrical construction drawings and load calculations for a sample commercial complex.

A real-world example is used to reinforce key calculations and concepts for anyone working in commercial electricity industry.

This app comes with the most convenient way to perform commercial load calculations.

This tool utilizes calculations required by the electrical code to determine both service loads and feeder loads.

It provides multiple views each of which addresses a particular aspect of load calculations. This approach simplifies this challenging task.

Code provisions must be implemented in a variety of premise types, such as residential, commercial and institutional, and industrial premises. One of the most challenging application of code is to determine the service and feeder loads. This tool is designed to address that challenge.

This tool makes it easy for anyone to perform such calculations in minutes for all types of occupancies. This tool simplifies the load calculations process by providing a separate worksheet for each class of loads. This helps the user understand the process while reinforcing the key principles behind the most critical code requirements.

This app provides you with a practical approach to learning design process for commercial wiring systems.

This app is recommended for anyone working in designing, reviewing, evaluating or installing commercial electrical systems including:

- Designers
- Installers
- Engineers
- Electrical contractors and subcontractors
- Technicians
- Project managers
- Architects
- Inspectors
- Electricians
- Builders and other professionals

It can also be used by electrical engineering students or by those who prepare for a license for educational purposes.

This app is tested with all generations of iOS devices and all versions including iPhone, iPad and iTouch.

What’s New

Version 1.2

This app has been updated by Apple to display the Apple Watch app icon.

Fixed minor bugs.

App Privacy

The developer, Yuhsiu Lai, has not provided details about its privacy practices and handling of data to Apple.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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