Best Electrical Wiring Pro Apps

209+ iOS apps curated and reviewed

4.5 avg rating
18 free apps
Updated July 2026

With an average user rating of 4.5★, the electrical wiring pro category is one of the App Store's strongest. Browse all 209+ apps we track, sorted so the most loved ones surface first.

Compare top Electrical Wiring Pro Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1ElectricalWiringProElectricalWiringProFree3.4★ (8)NoNoJun 2026
2ElectriCalc ProElectriCalc ProFree was $29.994.9★ (256)NoYesJul 2026
3Electrician Handbook — BasicsElectrician Handbook — BasicsFree was $5.994.8★ (965)NoYesJul 2026
4Electrical Wiring SimulatorElectrical Wiring SimulatorFree was $19.994.7★ (82)NoYesJul 2026
5Master Electrician Ref. LiteMaster Electrician Ref. LiteFree4.7★ (2.4K)NoNoJul 2026
6Mike Holt's Electrical ToolboxMike Holt's Electrical ToolboxFree4.6★ (197)NoNoJul 2026
7NEC MasteryNEC MasteryFree4.8★ (150)NoYesJul 2026
8Electrical Panel DesignerElectrical Panel DesignerFree was $6.995.0★ (4)NoYesJul 2026

Top Picks for Electrical Wiring Pro

ElectricalWiringPro#1

ElectricalWiringPro by Intineo LLC

Editor's Choice
📊 Productivity
3.4(8 ratings)
Free
ElectricalWiringPro screenshot 1
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ElectricalWiringPro screenshot 5

This app provides electrical code and design calculations for professionals working with wiring systems. It includes tools for ampacity, wire sizing, box fill, and conduit fill, based on the 2011 National Electrical Code.

ElectriCalc Pro#2

ElectriCalc Pro by Calculated Industries

Electrician NEC Calculator
Strong Contender
🔧 Utilities
4.9(256 ratings)
FreeIn-App Purchases
ElectriCalc Pro screenshot 1
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ElectriCalc Pro screenshot 3
ElectriCalc Pro screenshot 4
ElectriCalc Pro screenshot 5
ElectriCalc Pro screenshot 6

This app provides electricians and electrical professionals with a powerful tool for performing complex calculations based on the latest National Electrical Code (NEC). It offers solutions for wire sizing, voltage drop, conduit sizing, and motor calculations, saving time and ensuring code compliance.

Electrician Handbook — Basics#3

Electrician Handbook — Basics by Sergey Vavaev

Electric circuit, voltage, ohm
Worth Considering
🔍 Reference
4.8😊(965 ratings)
FreeIn-App Purchases
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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.

What We Love

  • 👍 Informative and useful
  • 🚀 Comprehensive and interactive
  • 💡 Helpful for beginners and professionals
  • 🔍 Detailed diagrams and visuals

Room to Improve

  • 🐛 Occasional crashes and bugs
  • 💰 Ads can be intrusive
  • 🕰️ Some content may be outdated

More Electrical Wiring Pro apps to explore

4
Electrical Wiring Simulator
Electrical Wiring Simulator
Electrical Wiring Simulator
Practice Anytime, Anywhere
Free
$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.

Step-by-step simulationsReal-world wiring practiceLoad control and switching
📚 Education
(82)
paid
5
Master Electrician Ref. Lite
Master Electrician Ref. Lite
Master Electrician Ref. Lite
A handbook for electricians
Free

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.

Motor and wiring informationAmpacity tablesConduit fill and grounding sizes
📊 Productivity
(2.4K)
paid
6
Mike Holt's Electrical Toolbox
Mike Holt's Electrical Toolbox
Mike Holt's Electrical Toolbox
Electrical Power Calculator
Free

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.

Conductor sizingVoltage drop limitationsCircuit protection sizing
🔧 Utilities
(197)
free
7
NEC Mastery
NEC Mastery
NEC Mastery
8000+ Questions & Explanations
Free

Prepare for electrician certification exams with over 8,000 practice questions and detailed explanations. Access a comprehensive quick reference guide and 20 professional NEC calculators for on-the-job use. Track work hours with a built-in log for state board submissions.

8000+ exam-style questions20 NEC calculatorsQuick reference guide
📚 Education
(150)
free with in-app purchases
8
Electrical Panel Designer
Electrical Panel Designer
Electrical Panel Designer
Switchboard Wiring Diagram
Free
$6.99 | 100% OFF

Design and assemble electrical panels with a comprehensive tool for electricians, designers, and homeowners. Create detailed wiring diagrams, route wires, and manage projects locally on your device. Features include a vast library of components and customizable labeling for clear documentation.

Electrical panel assemblyWire routingDevice library
🎨 Graphics & Design
(4)
freemium
9
Ugly's Electrical References
Ugly's Electrical References
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
📊 Productivity
(1.5K)
paid
10
Electrical Calculator Plus
Electrical Calculator Plus
Electrical Calculator Plus
by Inch Calculator
Free

This app offers a comprehensive suite of 26 electrical and electronics calculators and converters. It helps users compute various electrical properties, including Ohm's Law, current, power, voltage, and resistance. It also features tools for wire ampacity, voltage drop, and LED resistor calculations.

26 electrical calculatorsOhm's Law calculatorCurrent and power calculators (DC/AC)
🔧 Utilities
(15)
ad-supported
11
Wire Color Code
Wire Color Code
Wire Color Code
Electrical circuit colors
Free

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.

Global country-specific wire color codesExtensive circuit database (up to 1000 circuits)Quick search for phase colors
📊 Productivity
(654)
free with in-app purchases
12
Electrician Handy Tool
Electrician Handy Tool
Electrician Handy Tool
All in one electricians tools
Free

This app provides electricians with essential tools for conduit bending, calculations, and quick reference. It simplifies electrical work with features like voltage drop calculation and a user-friendly fraction calculator.

Voltage drop calculatorConduit bending calculatorFraction calculator
📊 Productivity
(21)
free with in-app purchases
13
Southwire® Voltage Drop Calc
Southwire® Voltage Drop Calc
Southwire® Voltage Drop Calc
Southwire Calculator
Free

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.

Determine wire size for voltage dropCalculate voltage drop for conductor runsLimit wire size by voltage drop
🔧 Utilities
(1.5K)
free
14
Southwire® Conduit Fill Calc
Southwire® Conduit Fill Calc
Southwire® Conduit Fill Calc
by Southwire Company
Free

This tool assists electricians, engineers, and contractors in determining the correct conduit size based on NEC guidelines. It calculates conduit fill percentages and jam probability, saving time compared to manual calculations.

Conduit size calculationNEC fill percentagesJam probability
🔧 Utilities
(746)
free
15
WireGo
WireGo
WireGo
Circuit Simulator
Free

This app provides a realistic electrical circuit simulation experience for learning and design. It features an extensive component library, intuitive drag-and-drop controls, and smart error detection for both household and industrial circuits. Learn, design, and test circuits safely and efficiently on your mobile device.

Real-time component simulationDrag-and-drop circuit designExtensive component library (100+ items)
🔧 Utilities
(9)
freemium
16
Electrical Code-A-Day
Electrical Code-A-Day
Electrical Code-A-Day
Quiz for Electricians
Free

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.

Daily electrical code questionsQuestions written by a real electricianCovers a wide range of electrical topics
📊 Productivity
(8.6K)
free
17
AWG Calculator: Wire Size
AWG Calculator: Wire Size
AWG Calculator: Wire Size
Electrician Wire Tool
Free

This professional tool provides electricians with accurate, code-based electrical calculations for wire sizing, voltage drop, circuit breakers, and more. It includes NEC® code references and specialized calculations for various systems. Save time and ensure accuracy in the field or during planning.

Wire size (AWG) calculationsVoltage drop calculationCircuit breaker sizing
🔧 Utilities
(67)
free with in-app purchases
18
Electrical Tools & Reference
Electrical Tools & Reference
Electrical Tools & Reference
Electrician Training Basics
Free
📊 Productivity
(0)
19
Electric Toolkit - Calculator
Electric Toolkit - Calculator
Electric Toolkit - Calculator
Electrical Wiring Diagrams
$5.99

This app provides a comprehensive collection of electrical wiring diagrams and calculators for home projects. It includes various switch and fan wiring configurations, outlet diagrams, and essential calculators for grounding, circuit breakers, and voltage drop, adhering to NEC standards.

3-way switch wiring diagramsCeiling fan wiring diagramsGFCI wiring diagrams
🔧 Utilities
(282)
free
20
Carmin
Carmin
Carmin
Automotive Wiring Diagrams
Free

Access a comprehensive library of regularly updated automotive electrical wiring diagrams for car repair and study. Includes videos and technical documents for research and reference.

Electrical wiring diagramsRegularly updated diagramsVideos library
🔍 Reference
(175)
free with in-app purchases

FAQ about Electrical Wiring Pro

What are the best electrical wiring pro apps for iPhone?
ElectricalWiringPro tops our electrical wiring pro apps ranking as of July 2026, with a 3.4-star average from 8 App Store ratings, and it's free to download.
Yes — 18 of the top electrical wiring pro apps we rank are free to download, including ElectricalWiringPro and ElectriCalc Pro.
ElectricalWiringPro has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 209+ electrical wiring pro apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
ElectricalWiringPro uses calculations based on the 2011 National Electrical Code. This ensures that the calculations provided are compliant with the standards of that specific code version.
ElectricalWiringPro is available for iPhone, iPad, and iPod. It is designed for Apple's mobile operating system.