# ElectricianCalc NEC Calculator — NEC: Wire, Voltage, Conduit

> NEC: Wire, Voltage, Conduit (iPhone/iPad app by Double Vision USA LLC.)

- Source: https://appshunter.io/ios/app/electriciancalc-nec-calculator/id6763315320 (this page in markdown: same URL + `.md`)
- Developer: [Double Vision USA LLC](https://appshunter.io/developer/1894678139)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 16.0 · 1 MB
- Languages: American English
- Released: 2026-04-25
- Data updated: 2026-08-31
- User reviews in markdown: https://appshunter.io/ios/app/electriciancalc-nec-calculator/id6763315320/reviews.md

## What is ElectricianCalc NEC Calculator?

The electrical calculator that gives you NEC-compliant numbers in seconds — voltage drop, wire size, conduit fill, ampacity, box fill — all offline.

Stop flipping through the codebook on a ladder. ElectricianCalc gives you the wire size, voltage drop, conduit fill, and ampacity numbers an inspector signs off on — all referenced to current NEC tables, all available offline.

WHAT'S INSIDE

• Wire Size — by ampacity and length, with VD correction
• Voltage Drop — single-phase, 3-phase, DC; AWG and metric
• Conduit Fill — EMT, IMC, RMC, PVC; per NEC Chapter 9
• Ampacity — THHN, NM, MC, SE; by ambient and bundling
• Ohm's Law — V/I/R/P with unit toggling
• Power / kVA — three phase, line/phase voltage, power factor
• Motor FLA + OCPD — full-load amps and overcurrent protection per NEC 430
• Box Fill — NEC 314.16 by conductor count and size
• Service Calc — load calc preview for residential

WHO IT'S FOR

Licensed electricians, apprentices studying for the journeyman exam, inspectors, controls techs, low-voltage installers, hobbyists doing serious DIY.

FREE vs PRO

Free forever: voltage drop, wire size, ohm's law, conduit fill basics.
Pro unlocks ampacity correction tables, full NEC reference, motor FLA + OCPD, box fill, service calc. One-time or subscription.

Subscriptions auto-renew until cancelled. Manage in your Apple ID Subscription Settings.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://doublevision.company/privacy

NEC REFERENCES ARE INFORMATIONAL. The user is responsible for verifying against the current Code adopted by their AHJ.

OFFLINE. NO ACCOUNT. NO ADS.
ElectricianCalc works in basements, attics, and metal-frame buildings where signal dies. Everything runs locally.

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Pro Monthly | $4.99 | per month |
| Pro Yearly | $29.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Pro Unlock | $74.99 | one-time |



## Version history (last 5 releases)

### 1.5.37 — 2026-08-22

Clearer pricing and plan details, larger touch targets, and a refreshed, easier-to-read interface.

### 1.5.36 — 2026-08-21

Clearer pricing and plan details, larger touch targets, and a refreshed, easier-to-read interface.

### 1.5.35 — 2026-08-20

Clearer pricing: subscription options now show your free trial and the exact price you'll pay after it ends.

### 1.5.33 — 2026-08-03

Performance improvements and stability updates.

### 1.5.32 — 2026-08-01

Performance improvements and stability updates.

## More apps by Double Vision USA LLC

- [ShopCalc: Machinist Calculator](https://appshunter.io/ios/app/shopcalc-machinist-calculator/id6762560427)
- [WelderCalc: Welding Calculator](https://appshunter.io/ios/app/weldercalc-welding-calculator/id6763315264)
- [BuilderCalc: Deck, Framing](https://appshunter.io/ios/app/buildercalc-deck-framing/id6763315412)
- [DutyDesk](https://appshunter.io/ios/app/dutydesk/id6776941078)
- [ShopCAM: CNC G-Code Generator](https://appshunter.io/ios/app/shopcam-cnc-g-code-generator/id6778277614)

All apps by Double Vision USA LLC: https://appshunter.io/developer/1894678139

## Related topics

[NEC calculator](https://appshunter.io/ios/topics/nec-calculator) · [electriciancalc nec calculator](https://appshunter.io/ios/topics/electriciancalc-nec-calculator) · [ispin saturator](https://appshunter.io/ios/topics/ispin-saturator) · [my nec](https://appshunter.io/ios/topics/my-nec)

---

*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 2026-08-31.*