Best Wiring Diagram Electrical Apps

Global country-specific wire color codesExtensive circuit database (up to 1000 circuits)Quick search for phase colors

This app helps electricians and DIYers identify electrical wire colors globally. It offers country-specific codes, a large circuit database, and quick search functionality. Customize colors for your projects and enjoy a user-friendly interface for efficient electrical panel wiring.

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Ugly's Electrical References

by Informed Publishing

$12.99

This app provides electricians and electrical professionals with up-to-date digital information based on the National Electrical Code. It includes formulas, wiring diagrams, conduit bending guides, and calculators for various electrical calculations. The app is designed for on-the-job reference and works offline.

NEC 2026 updatesMathematical formulas and calculatorsConduit bending guide with videos

(1.5K)

Electrical Code-A-Day

Quiz for Electricians

Daily electrical code questionsQuestions written by a real electricianCovers a wide range of electrical topics

Test your electrical knowledge daily with a new question based on the US electrical code. Perfect for apprentices, journeymen, and masters seeking to learn or refresh their understanding of electrical concepts and regulations.

(8.6K)

Master Electrician Ref. Lite

A handbook for electricians

Motor and wiring informationAmpacity tablesConduit fill and grounding sizes

This electronic pocket reference guide provides essential information for electrical professionals. It offers calculations, code tables, and detailed sections on motors, ampacities, grounding, and more, all accessible on your mobile device.

(2.4K)

Electrical Wiring Simulator

Practice Anytime, Anywhere

Step-by-step simulationsReal-world wiring practiceLoad control and switching

$19.99 | 100% OFF

Practice real-world electrical wiring skills with interactive, step-by-step simulations. Learn load control, parallel/series wiring, and troubleshooting without tools or risk. Ideal for students and aspiring electricians.

📚 Education

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Electrician Handbook — Basics

Electric circuit, voltage, ohm

Electrical theory topicsInteractive circuit diagramsCalculators and formulas

$5.99 | 100% OFF

This app provides electricians, students, and installers with essential electrical theory, interactive diagrams, and practical calculators. It includes a community forum for users to share knowledge and seek advice, all accessible offline without ads or subscriptions.

🔍 Reference

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Electrical & NEC AI Assistant

Ask BONBON - NEC Code AI

Instant NEC code answersAI-powered code explanationsSmart job site troubleshooting

$14.99 | 100% OFF

This AI-powered assistant provides instant answers to National Electrical Code (NEC) questions for electricians. Get precise code information, explanations, and troubleshooting help directly on the job site to ensure compliance and build confidence.

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Electrical & Electrician App

Quizzes, Flashcards and Videos

AI Study CoachElectrical QuizzesElectrical Wiring Lessons

This app is a comprehensive learning tool for electricians, technicians, and students. It offers interactive lessons, quizzes, flashcards, and visual guides to master electrical concepts, wiring, and troubleshooting. Features include AI-powered study assistance and offline access for continuous learning.

📚 Education

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freemium

Southwire® Voltage Drop Calc

Southwire Calculator

Determine wire size for voltage dropCalculate voltage drop for conductor runsLimit wire size by voltage drop

Calculate the appropriate wire size for electrical circuits. This tool helps determine wire size based on voltage drop and current carrying capacity, ensuring compliance with NEC ampacity limits.

🔧 Utilities

(1.4K)

Mike Holt's Electrical Toolbox

Electrical Power Calculator

Conductor sizingVoltage drop limitationsCircuit protection sizing

This app provides essential calculations for electricians, inspectors, contractors, and engineers. It helps determine conductor sizing, circuit protection, race sizing, and grounding conductor sizes for various electrical equipment and services.

🔧 Utilities

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2017 Master Electrician Ref.

A handbook for electricians

$9.99

This digital handbook provides electricians and related professionals with essential electrical formulas, diagrams, and reference tables. It offers calculations, a dictionary of terms, and detailed information on wiring, motors, transformers, and more, all accessible on a mobile device.

Electrical formulas and calculationsWiring diagrams for various systemsMotor and transformer specifications

(1.2K)

by Egal Net di Ettore Gallina

Electrical Calculations

Wire size and voltage drop calculationsPower, current, and resistance calculationsMotor performance and connection diagrams

This app provides a comprehensive suite of electrical calculations for professionals. It supports various international standards and offers detailed reports in PDF format. The tool covers wiring, power, motor, and electronic calculations, along with extensive conversion tables and resources.

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SLD | Electrical diagrams

Draw schemes easily

$1.99

Easily create single-line electrical diagrams with a vast library of IEC and ANSI standard symbols. Drag and drop components to build your schemes, with options to save and edit in the PRO version.

Create single-line diagramsDrag and drop symbol placementIEC and ANSI standard symbols

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Wiring Reference & Documenter

Wiring Harnesser

Input Groups, Connectors, and NetsView connector pin detailsNavigate between associated detail pages

This app helps technicians document and reference electrical wiring for projects. It allows users to input connections, view connector details, and navigate through diagrams. Users can also upload images and convert wire gauges.

Electrical Wiring Simulator

NEC Electrical Exam by Dakota

🔧 Utilities

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NEC Practice Test Questions

Over 3000 exam questionsAI tutor for step-by-step helpPractice specific exam topics

Prepare for your electrical licensing exams with a vast library of practice questions, detailed explanations, and AI-powered assistance. Track your progress and identify weak areas to study more effectively for Journeyman, Master Electrician, and Contractor exams.

📚 Education

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by Historycentral.com Inc

Electrical Formulator

Over 100 electrical formulasSave and organize resultsShare results via email or print

This app provides a comprehensive suite of electrical calculation tools for design and engineering challenges. It offers hundreds of conversion and calculation options, with features to save, print, and email results. Easily access frequently used and recently accessed formulas, with all calculations automatically stored.