# Building Wire Selector — Southwire Calculator

> Electrical wire sizing and selection tool based on National Electrical Code. (iPhone/iPad app by Southwire Company.)

- Source: https://appshunter.io/ios/app/building-wire-selector/id6670218338 (this page in markdown: same URL + `.md`)
- Developer: [Southwire Company](https://appshunter.io/developer/440338423)
- Category: Utilities
- Price: Free
- Rating: 5.00/5 from 2 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 16.6 · 6 MB
- Languages: American English
- Released: 2024-10-02
- Data updated: 2026-08-30
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/building-wire-selector/id6670218338/reviews.md

## What is Building Wire Selector?

Southwire's Building Wire Selector determines the minimum conductor size and the best wire and cable type for a particular installation, following the National Electrical Code® wiring methods.

## Key features

- Conductor size determination
- Wire and cable type selection
- National Electrical Code compliance
- Electrical installation guidance

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/building-wire-selector/id6670218338/reviews.md

### 5/5 — Great app

*2025-05-11*

Great app for quick reference for proper gauge choice for circuits.

## Frequently asked questions about Building Wire Selector

### What is Building Wire Selector used for?

Building Wire Selector helps you find the minimum conductor size and the most suitable wire and cable type for your electrical installations, ensuring adherence to National Electrical Code® standards.

### Is Building Wire Selector free to use?

Yes, Building Wire Selector is completely free to download and use. It does not require any payment or subscription.

### What electrical codes does Building Wire Selector follow?

Building Wire Selector follows the National Electrical Code® (NEC) wiring methods to guide your selections.

### On which devices can I use Building Wire Selector?

Building Wire Selector is available for iPhone, iPad, and iPod touch devices.

### How often is Building Wire Selector updated?

The latest version, 1.0.3, was released on July 24, 2025, indicating regular updates to ensure accuracy and compliance with the latest standards.

### What is the age rating for Building Wire Selector?

Building Wire Selector has an age rating of 4+, making it suitable for a wide range of users.

### Does Building Wire Selector have ads?

No, Building Wire Selector does not contain advertisements, providing an uninterrupted user experience.

### What is the user rating for Building Wire Selector?

Building Wire Selector has an excellent rating of 5.0 stars based on 2 user reviews.

## Version history (last 5 releases)

### 1.0.4 — 2026-08-19

Behind the scenes updates.

### 1.0.3 — 2025-07-24

New graphics.

### 1.0.2 — 2024-12-04

Fixed a crash that could occur when specs could not be found for inputs.

### 1.0.1 — 2024-10-23

Fixed broken link to technical document.

### 1.0 — 2024-10-02

No release notes.

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## More apps by Southwire Company

- [Southwire® Voltage Drop Calc](https://appshunter.io/ios/app/southwire-voltage-drop-calc/id440338420)
- [Partial Reel Calculator](https://appshunter.io/ios/app/partial-reel-calculator/id489177969)
- [Southwire® Conduit Fill Calc](https://appshunter.io/ios/app/southwire-conduit-fill-calc/id509204523)
- [Southwire® MCAP® Savings Calc](https://appshunter.io/ios/app/southwire-mcap-savings-calc/id509207536)
- [Proof Positive© Copper](https://appshunter.io/ios/app/proof-positive-copper/id518391353)
- [Southwire® Conversion Calc](https://appshunter.io/ios/app/southwire-conversion-calc/id545756420)

All apps by Southwire Company: https://appshunter.io/developer/440338423

## Related topics

[wire ampacity](https://appshunter.io/ios/topics/wire-ampacity)

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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 2026-08-30.*