Best Iec 81346 Tool Apps

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.

(9.2K)

Wire Size, NEC & IEC Tools

Voltage Drop Calculator.

NEC and IEC dual standardsVoltage drop and wire sizing calculationsSupport for continuous load and corrections

Calculate voltage drop and wire size using both NEC and IEC standards. Supports various load types, conductor materials, and system configurations. Generates detailed reports for electricians, engineers, and contractors.

(410)

Devmaxx

Master System Design

Daily system design questionsClear explanations and answer breakdownsLinked learning resources

This app provides a daily system design question to help software engineers master essential skills for interviews and career growth. It offers clear explanations, linked resources, and a private community for learning and practice.

Electrician Handbook — Basics

(495)

subscription

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

(986)

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

Mike Holt's Electrical Toolbox

(1.5K)

paid

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.

(197)

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.

(42)

Lineman's Reference - XFMR LAB

Transformer Training Simulator

$19.99

This interactive simulator allows users to study and learn transformer connections. Test your wiring with various meters, and experience consequences of improper connections. Includes reference diagrams, informational material, and a quiz mode to test knowledge.

Transformer connection simulationVolt, ohm, and rotation metersAbnormal voltage and fuse explosion simulation

(307)

NEC Electrician Exam Prep 2026

Journeyman Electrician Prep

Over 1,200 practice questionsTopic-specific focusVersatile testing modes

Prepare for your Journeyman Electrician certification exams with a comprehensive mobile study tool. Practice over 1,200 questions across various electrical topics, including definitions, calculations, and equipment. Boost your confidence and readiness for the official test.

(60)

PLUS+1® Service Tool

by Danfoss A/S

Perform diagnostics on electronic componentsDownload applications to controllersDownload parameters to controllers

This tool allows for diagnostics and parameter downloads to electronic components. It connects to controllers for performance logging and tuning, streamlining the development of advanced machinery.

(1)

Electronics Engineer Helper

Calculators and references

Datasheet searchResistor color code calculatorElectronic schematic symbols

This app provides a comprehensive suite of calculators and reference tools for electronics enthusiasts and professionals. It includes features for component identification, circuit calculations, and electrical property analysis, aiding in both study and practical work.

(432)

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.

(456)

Electrical circuit colors

Wire Color Code

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.

(999)

Circuit EditorComponent reference with parametric searchNumerous calculation tools

Electronic Toolbox Pro

Electronics Engineering

$12.99

This comprehensive electronics engineering app provides professionals, hobbyists, and students with a vast array of tools and reference materials. It features a circuit editor, numerous calculation and conversion tools, and extensive component specifications with parametric search capabilities.

Quickly access critical information on hazardous materials for handling, storage, and incident response. Features include advanced search, sorting, and filtering of materials from key regulatory tables and guides. Offline access ensures availability in any situation.

ERG 2024 dataNIOSH, CFR/HMT, NFPA, GHS informationAdvanced search, sort, and filter

8000+ Questions & Explanations

8000+ exam-style questions20 NEC calculatorsQuick reference guide

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.

(161)

Fault Current Calculator

by Cooper Bussmann, LLC

Calculate available fault currentSize fuses and conductorsGenerate service equipment labels

This tool helps contractors, engineers, and electricians quickly calculate available fault current on single and three-phase electrical systems. It also assists in sizing fuses and conductors for various circuits and can generate labels for service equipment.