# Branch Circuit Designer

> Interactive tool for sizing electrical branch circuits and motor FLA based on NEC. (iPhone/iPad app by Yuhsiu Lai.)

- Source: https://appshunter.io/ios/app/branch-circuit-designer/id659794629 (this page in markdown: same URL + `.md`)
- Developer: [Yuhsiu Lai](https://appshunter.io/developer/433114647)
- Category: Education
- Price: $0.99
- Rating: 1.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 16.0 · 4 MB
- Languages: English
- Released: 2013-06-15
- Data updated: 2026-06-10
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/branch-circuit-designer/id659794629/reviews.md

## What is Branch Circuit Designer?

This app is an interactive design tool for sizing branch circuits for all electric appliances.

With this tool you can perform the following designs for branch circuits:

- Sizing of branch circuit breakers
- Sizing of full load amper (fla) for motors.

This app is based on NEC requirements.

It comes with an easy-to-use interface minimizing user entries.

This design tool can be used by anyone who is involved  in sizing of branch circuits for electrical wiring systems.

This app is tested with all releases and sizes of iOS devices including iPhone, iPod Touch and iPad.

## Key features

- Sizing of branch circuit breakers
- Sizing of full load amps (FLA) for motors
- Based on NEC requirements
- Easy-to-use interface
- Supports all iOS devices

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/branch-circuit-designer/id659794629/reviews.md

### 1/5 — Does not work in iOS 11

*2017-10-08*

Fails in iOS 11

## Frequently asked questions about Branch Circuit Designer

### What is Branch Circuit Designer used for?

Branch Circuit Designer is an interactive tool for sizing branch circuits and calculating the full load amps (FLA) for motors, adhering to NEC requirements. It simplifies the process for electrical wiring system designs.

### How does Branch Circuit Designer ensure accuracy?

The app is based on National Electrical Code (NEC) requirements, providing a standardized approach to sizing electrical components. Its design tool aims to minimize user entries for a straightforward calculation process.

### What devices is Branch Circuit Designer compatible with?

Branch Circuit Designer is tested with all releases and sizes of iOS devices, including iPhone, iPod Touch, and iPad. It is designed to function across a wide range of Apple mobile hardware.

### How often is Branch Circuit Designer updated?

The latest version of Branch Circuit Designer is 2, with the last update indicated as March 26, 2026. This suggests a commitment to maintaining and potentially updating the application.

### What is the cost of Branch Circuit Designer?

Branch Circuit Designer is a paid application, available for purchase at $0.99. This one-time purchase grants access to its electrical design and sizing features.

### What is the age rating for Branch Circuit Designer?

Branch Circuit Designer has an age rating of 4+, indicating it is suitable for users aged four and older. This rating is based on general content appropriateness.

### Does Branch Circuit Designer offer progress tracking for learning?

Branch Circuit Designer is a design tool focused on practical application rather than educational progress tracking. It assists users in performing specific calculations for electrical circuits and motors.

### What are the primary benefits of using Branch Circuit Designer?

The app's primary benefit is its interactive design tool that simplifies the sizing of branch circuits and motor FLA. Its NEC-based calculations and user-friendly interface aim to streamline the electrical design process.

## Version history (last 1 release)

### 2 — 2026-03-26

Updated to support the new releases of iOS.

## More apps by Yuhsiu Lai

- [Availability and Reliability](https://appshunter.io/ios/app/availability-and-reliability/id435033141)
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- [48VDC Power System](https://appshunter.io/ios/app/48vdc-power-system/id449477913)
- [NEC Electrical Code Tools](https://appshunter.io/ios/app/nec-electrical-code-tools/id469334093)
- [Engineer's Toolset](https://appshunter.io/ios/app/engineers-toolset/id478486737)
- [Battery Current Simulator](https://appshunter.io/ios/app/battery-current-simulator/id488430945)

All apps by Yuhsiu Lai: https://appshunter.io/developer/433114647

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*