# MasterCode NEC — NEC Answers for Electricians.

> NEC Answers for Electricians. (iPhone/iPad app by Appify Software.)

- Source: https://appshunter.io/ios/app/mastercode-nec/id6773859812 (this page in markdown: same URL + `.md`)
- Developer: [Appify Software](https://appshunter.io/developer/6773859814)
- Category: Reference, Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.1 · 52 MB
- Languages: American English
- Released: 2026-06-18
- Data updated: 2026-08-30
- User reviews in markdown: https://appshunter.io/ios/app/mastercode-nec/id6773859812/reviews.md

## What is MasterCode NEC?

MasterCode NEC gives electricians a faster way to work through electrical code questions in the field.

Instead of digging through the code book, searching forums, or trying to remember which article applies, you can describe the actual electrical situation in plain English and get a structured answer back.

Ask about wiring methods, GFCI protection, AFCI protection, conductor sizing, breaker sizing, grounding, bonding, services, feeders, branch circuits, panels, subpanels, conduit fill, box fill, derating, motor calculations, residential requirements, inspection issues, and more.

MasterCode NEC helps organize the answer with:

• A direct bottom-line response
• Related NEC article references
• Reasoning and calculation notes when needed
• Clarifying questions when key details are missing
• Practical field and inspector interpretation notes
• State and code-cycle awareness where available

It is built for electricians, apprentices, journeymen, foremen, contractors, inspectors, and electrical professionals who need quick code direction without wasting time digging through scattered references.

Use it when you are asking questions like:

• Does this need GFCI protection?
• Can I run this wiring method here?
• What article applies to this situation?
• What size conductor or breaker should I be looking at?
• Is this inspector correction reasonable?
• What details are missing before making a code call?

MasterCode NEC is not the official NEC, does not replace the adopted code book, and is not a substitute for licensed judgment, engineering documents, manufacturer instructions, local amendments, or the Authority Having Jurisdiction. It is an independent field-support and educational tool designed to help electrical professionals get oriented faster and understand the reasoning behind code answers.

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://getmastercode.com/privacy/

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| MasterCode Pro | $19.99 | per month |
| MasterCode Basic | $9.99 | per month |



## Version history (last 3 releases)

### 1.0.2 — 2026-06-23

Bug fixes and stability improvements.

### 1.0.1 — 2026-06-19

Fixes the free request counter display and monthly request limit messaging.

### 1.0 — 2026-06-18

No release notes.

## Apps similar to MasterCode NEC

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Electrician Handbook — Basics](https://appshunter.io/ios/app/electrician-handbook-basics/id1612996115) | 4.8 (986) | Free | Reference |

## Related topics

[ask bonbon](https://appshunter.io/ios/topics/ask-bonbon) · [electrical code meister](https://appshunter.io/ios/topics/electrical-code-meister) · [electric code](https://appshunter.io/ios/topics/electric-code)

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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.*