Best Mike Holt&#x27;s Electrical Toolbox Apps

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.

(1.5K)

NEC Electrical Exam by Dakota

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

(456)

free with in-app purchases

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.

Electrical Engineering Mag

by Datateam Business Media Ltd

Latest industry newsFeature articlesApplication stories

This app provides access to a leading journal in the electrical engineering field. It features news, articles, and product information covering the latest developments in electrical systems design, installation, and maintenance.

This sticker pack provides a collection of electrical symbols for engineers and DIY enthusiasts. Share and discuss symbols to help others with their projects and designs.

Electrical symbol stickersShare symbols with othersHelp with missing symbols

📊 Productivity

(2)

paid

Lee’s Tools for Klein

by Lee's Tools

Extensive tool catalogProduct categories for tradesBrand history and commitment

Explore a comprehensive catalog of professional-grade tools for various trades, including electrical, construction, and HVAC. Discover detailed product information and learn about the brand's commitment to American manufacturing and quality since 1857.

🛍️ Shopping

(3)

Vexten: Electrical Calculator

High-End Engineering Tool

This professional electrical application assists electricians and engineers with complex calculations based on the Canadian Electric Code. It offers features for wire and conduit sizing, motor and transformer load calculations, voltage drop, and more. Easily generate panel legends and access in-app support.

Wire and conduit sizingMotor and transformer load calculationsVoltage drop calculations

Electrical Troubleshooting MS

(2)

paid

Are you a good troubleshooter?

17 random electrical problemsVirtual voltmeter with probesAnimated motor starter

Learn to troubleshoot electrical circuits with a virtual voltmeter and PLC logic. This app offers 17 random electrical problems for a challenging learning experience, allowing you to practice identifying issues in motor starters and control circuits.

📚 Education

(118)

Electrical Calculator Pro

Wiring, Cable & Load Tools

Toolbox - All Tools One App

(0)

Your all-in-one utility app

QR code generator and scannerRandom number generatorSound effects library

This app consolidates essential everyday tools into one convenient package. It offers features like QR code generation, random number generation, sound effects, flashlight control, and password generation, all designed to run offline and respect user privacy.

(2)

Toolbox (Werkzeugkiste)

handwerker-versand.de

Protractor for angle and slope measurementLevel for horizontal, vertical, and 45° anglesCaliper for quick height, length, and width measurement

This app provides a collection of essential tools for home handymen and professionals. It includes a protractor, level, caliper, plumb line, barcode scanner, photo note feature, and decibel meter. Users can also browse an online hardware store for additional tools and accessories.

(31)

Journeyman Electrician (2025)

Master NEC Exam Practice Test

Extensive practice questionsFull-length mock testsTest history tracking

Prepare for your journeyman electrician certification exam with practice tests and mock exams covering electrical theory and the National Electrical Code. Track your progress with test history and bookmark important questions for later review.

📚 Education

(278)

free with in-app purchases

Electrical Wholesalers - CT

Order Electrical Supplies

Product search with images and specificationsView pricing and availabilityOrder for delivery or pickup

Easily find and order electrical supplies with high-quality images and specifications. Access pricing and availability, then arrange for delivery or pickup. Utilize barcode scanning, photo submission, or voice search to locate products quickly.

Specs & Projects for Makers