Electrician Handbook v3.3.7

SergeyV Apps

Contains ads • In-app purchases

About this app

Developer Description

Electric circuit diagrams, electrical engineering theory, and calculators

For everyone whose work involves electricity — for professionals, beginners and enthusiasts.

This app is a springboard for further study of electrical engineering.

The app includes four sections: theory, electrical wiring diagrams, tests, and calculators.

The app offers over 55 concise articles and 7 calculators. Content is added and updated regularly — feel free to suggest topics.

Briefly covers voltage, current, power, short circuits, Ohm’s law, and much more.

Warning! When working with electrical equipment, electrical safety requirements must be strictly observed. Remember: electricity cannot be seen or heard. Be careful.

What's New

Added voltage drop calculator

In-app purchases

$1.99 per item

Version Information

Version: 3.3.7
Downloads: 5M+
Updated on: Nov 21, 2025
Released: Mar 7, 2020
Requires: Android 6.0

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Electrician Handbook - Google Play Rankings

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Electrician Handbook users say on Google Play

★★★★★

Bucknor Michael

its handy if you want to catch up on electrical fundamental principles. really good

★★★★

Hamada TheMaster

a funny book that gives you the information in a simple and easy way with laymen's terms

★★★

Elisha Boamah

well explain great app

★★

Bizunhe Gizaw

best app

★

Robert Thomas (Bob)

This thing is full of adds, and it seems to cover only european 50 hert electrical system. and it presents the theory as if it were talking to a fifth grader. Just not of any use to a retired electrical engineer 🙄 uninstalling!!