# Electrician Handbook: Wiring

> Electrical calculations, wiring reference & electrician tools

Canonical page: [https://chrome-stats.com/d/com.istack.electrichandbook](https://chrome-stats.com/d/com.istack.electrichandbook)

## Overview

- **ID:** `com.istack.electrichandbook`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** iStack
- **Category:** EDUCATION
- **Downloads:** 860
- **Version:** 1.0.0
- **Last updated:** 2026-05-04
- **First published:** 2026-05-04
- **Publisher country:** MA
- **Size:** 35 MB
- **Data as of:** 2026-09-11
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.istack.electrichandbook)
- **Website:** [https://istack.cc](https://istack.cc/)
- **Privacy policy:** [https://sites.google.com/view/istack](https://sites.google.com/view/istack)

## Description

Every electrician needs a reliable reference on the job. Electrician Handbook: Wiring brings together professional calculations, wiring guides, and electrical references in one offline-ready app for journeymen, master electricians, and electrical engineers.<br><br>⚡ Professional calculations on the job site<br>Run accurate field calculations without internet access. Wire size, voltage drop, conduit fill, box fill, motor full-load current, transformer sizing, and more — all following code standards so you can cite results to an AHJ.<br><br>📋 Wiring reference for licensed pros<br>Access wiring diagrams, ampacity tables, conduit sizing charts, and electrical equipment data instantly. Find electrician specs for a service upgrade or verify circuit wiring for a new installation — the reference library is built for field use with high contrast and sunlight-readable text.<br><br>🔧 Field tools that work offline<br>Bookmark calculations and reference tables you use every day. Add field notes to each saved result. Export results as a PDF stamped with the relevant code section — ready to hand to an inspector. All tools work fully offline.<br><br>📚 NEC electrical code reference — 2023 and 2026<br>Built around NEC 2023 and updated for the 2026 adoption cycle. Look up articles, cross-reference sections, and track changes between editions. Unlike paywalled subscriptions, this is a one-time purchase.<br><br>🎓 Journeyman electrician exam preparation<br>Studying for the journeyman exam or master electrician test? Practice section covers NEC-based questions, electrical calculations, and wiring theory between jobs.<br><br>✅ What&#39;s included<br>• Wire sizing calculator — AWG and metric, ampacity tables<br>• Conduit fill calculator and offset bending reference<br>• Voltage drop calculator — single and three phase<br>• Box fill calculation (NEC 314)<br>• Motor full-load amps table (NEC 430)<br>• Copper and aluminum conductor ampacity tables<br>• Electrical references book and quick charts<br>• Wiring diagrams and installation guides<br>• Advanced panel load calculation<br>• Works fully offline — no subscription required<br><br>From apprentice to master, this is the handbook wiring professionals keep on their phone.

## Rankings

- #1,202,527 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.WAKE_LOCK`
- `com.android.vending.CHECK_LICENSE`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`
- `com.istack.electrichandbook.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

## Similar extensions and apps

- [Electrician Handbook & Wiring](https://chrome-stats.com/d/com.electrician11) — 5,646 users
- [Electrician Handbook](https://chrome-stats.com/d/com.ainkstudio.electricianhandbook) — 685,359 users, 4.41 / 5
- [Electricians' Handbook App](https://chrome-stats.com/d/com.pantax.electricianshandbook) — 47 users
- [Electricians' Handbook: Manual](https://chrome-stats.com/d/calculation.apps.electricalinstallationapp) — 380,460 users, 4.41 / 5
- [Electrician Handbook](https://chrome-stats.com/d/calculation.apps.electricianhandbook) — 89,075 users, 4.73 / 5
- [Electrician Handbook](https://chrome-stats.com/d/mmy.first.myapplication433) — 10,422,475 users, 4.67 / 5
- [Electrician Handbook PRO](https://chrome-stats.com/d/com.ainkstudio.electricianpro) — 280 users
- [Electricians' Handbook](https://chrome-stats.com/d/calculation.world.electricianshandbook) — 3,927,735 users, 4.53 / 5
- [VoltWise - Electrician Toolkit](https://chrome-stats.com/d/com.developermcd.voltwise) — 10 users
- [Electrician's Handbook Basic](https://chrome-stats.com/d/com.app.bacuong.electricans.handbooks) — 18,490 users
- [Electrician ProCalc](https://chrome-stats.com/d/com.fieldcalc.electrician_procalc) — 68 users
- [Electrician's Bible](https://chrome-stats.com/d/com.softlink.electriciantoolsNew) — 40,933 users, 4.84 / 5

---

Source: [Chrome-Stats](https://chrome-stats.com/d/com.istack.electrichandbook)