# Electrical Code Guide 2026

> Electrical Code Guide 2026 (iPhone/iPad app by Yuhsiu Lai.)

- Source: https://appshunter.io/ios/app/electrical-code-guide-2026/id1045750831 (this page in markdown: same URL + `.md`)
- Developer: [Yuhsiu Lai](https://appshunter.io/developer/433114647)
- Category: Education
- Price: $2.99
- Age rating: 4+
- Requires: iOS 17.6 · 11 MB
- Languages: English
- Released: 2015-10-10
- Data updated: 2026-05-21
- User reviews in markdown: https://appshunter.io/ios/app/electrical-code-guide-2026/id1045750831/reviews.md

## What is Electrical Code Guide 2026?

Here's a draft for your App Store listing:

NEC Navigator — Your Electrical Code Companion
NEC Navigator puts the National Electrical Code at your fingertips. Whether you're an electrician in the field, an engineer at the drafting table, or a student studying for your exam, this app gives you fast access to NEC reference material and professional-grade calculators — no internet required.
Built-In Calculators
Five engineering calculators help you size circuits, conductors, and equipment on the spot:

Branch Circuit OCPD — determine overcurrent protection device ratings for residential appliances per NEC 210.20
Motor Full-Load Ampere Lookup — FLA ratings for DC, AC single-phase, two-phase, and three-phase motors per NEC Tables 430.247–430.250
Bonding Conductor Sizing — calculate bonding conductor size with run-length adjustment per NEC Table 250.66
Transformer Capacity — find the required kVA for single-phase and three-phase loads
AWG Converter — convert between American Wire Gauge, circular mils, and mm²

NEC Reference Library
Browse articles covering branch circuits, conductors, grounding and bonding, conduits, services and feeders, motors, transformers, and more — each with overview guides and worked case studies.
Diagrams & Exhibits
Over 35 high-quality illustrations including voltage distribution systems, service entrance panels, premises wiring, grounding details, receptacle layouts, and NEC article reference figures. Pinch to zoom on any diagram for a closer look.
Conversion Tables & Formulas
Quick access to essential electrical formulas, unit conversions, and the complete NEC code outline map.
Designed for the Job Site
Everything runs offline. No login required. Just open the app and get to work.


## Version history (last 1 release)

### 2.0 — 2026-04-10

Updated to support the latest 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)
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- [Battery Current Simulator](https://appshunter.io/ios/app/battery-current-simulator/id488430945)

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

## Related topics

[electrical code guide 2026](https://appshunter.io/ios/topics/electrical-code-guide-2026) · [awg 2026](https://appshunter.io/ios/topics/awg-2026)

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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 2026-05-21.*