# Electrician Field Calculator — Conduit, Wire & Voltage Tools

> Conduit, Wire & Voltage Tools (iPhone/iPad app by 正权 谢.)

- Source: https://appshunter.io/ios/app/electrician-field-calculator/id6787039860 (this page in markdown: same URL + `.md`)
- Developer: [正权 谢](https://appshunter.io/developer/6786924632)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 4 MB
- Languages: American English
- Released: 2026-07-11
- Data updated: 2026-08-28
- User reviews in markdown: https://appshunter.io/ios/app/electrician-field-calculator/id6787039860/reviews.md

## What is Electrician Field Calculator?

Electrician Field Calculator is a field calculation toolkit for US electricians, contractors, apprentices, and inspectors who need fast jobsite math on iPhone.

Run 13 practical tools:
• Voltage drop
• Wire size candidates
• Conduit fill with 2D cross-section
• Conduit bending marks
• Box fill
• Ampacity derating
• Grounding conductor sizing
• Breaker sizing
• Raceway size
• Transformer calc
• Motor circuit calc
• Panel schedule
• Material takeoff

Every result is built for field review:
• NEC 2020 / 2023 / 2026 reference basis
• Inputs and assumptions shown with the result
• Formula steps
• Review notes and warnings
• Saved jobs
• US Letter PDF reports
• Offline workflow
• One-time Pro unlock, no subscription

Designed for quick decisions on site: see the final answer first, then review the math, references, warnings, and job record when you need to document the calculation.

Electrician Field Calculator is a field calculation aid. Verify all outputs against local code, project specifications, manufacturer instructions, equipment labels, and AHJ requirements before installation.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Pro Unlock | $19.99 | one-time |



## Version history (last 2 releases)

### 1.0.4 — 2026-08-20

Recently used field tools now appear on the home screen for faster repeat calculations. This update also includes reliability and interface refinements.

### 1.0.3 — 2026-07-11

No release notes.

## More apps by 正权 谢

- [RSSH](https://appshunter.io/ios/app/rssh/id6787936118)

All apps by 正权 谢: https://appshunter.io/developer/6786924632

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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 2026-08-28.*