Best National Electrical Code Alternative Apps

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 circuit colors

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.

📊 Productivity

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Alternative Fueling Stations

by National Renewable Energy Laboratory

Locate alternative fueling stationsUse current or custom locationView stations on map or list

Discover nearby fueling stations for alternative energy sources like electricity, natural gas, and biofuels. View station details, including payment options, access, and specific fuel types, all sourced from a comprehensive U.S. Department of Energy database.

🗺️ Navigation

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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.

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Quick access to NEC informationDesigned for electrical engineersUseful for electricians

A NEC® Quick Reference

by Alan Cave

$1.99

Access frequently needed National Electrical Code information on your phone. This reference tool is designed for electrical engineers and electricians needing quick access to code details, whether in the office or on a job site.

NEC Code CalculationsWire SizingVoltage Drop

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paid

Electrical Calc Elite

NEC Code Calculator

$19.99

This app serves as a comprehensive NEC code calculator for electrical professionals. It helps electricians, contractors, and inspectors quickly and accurately solve common electrical calculations based on National Electric Codes, with support for multiple code versions and in-app purchases for updates.

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Electrical Calculations

Cable sizing & capacity

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.

📊 Productivity

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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

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8000+ Questions & Explanations

NEC Mastery

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.

📚 Education

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A NEC® 2017 Quick Reference

by Alan Cave

$1.99

This app provides quick access to commonly used information from the 2017 National Electrical Code (NEC). It's designed for electrical engineers and electricians needing on-the-go reference material for office or construction site use.

2017 NEC Edition contentQuick access to common informationDesigned for electrical professionals

Captain Code NEC Code Changes

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paid

Guide from 2023 - 2014

Searchable by market vertical, product, or article numberDirect NEC text extractionExpert analysis from IAEI

This app provides electrical professionals with up-to-date National Electrical Code information. It offers searchable access to code changes, expert analysis, and manufacturer insights, complete with illustrations to aid comprehension.

Electrician Handbook — Basics

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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.

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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.

(1.5K)

SkillCat: EPA 608 & HVAC

Skilled Trades Training

EPA 608 & 609 CertificationAccredited Trade School DiplomasOSHA-10 Certification

This app offers accredited online trade school courses and certifications for HVAC, plumbing, electrical, and more. Learn at your own pace, on your phone, and earn valuable credentials like EPA 608 and OSHA-10 without traditional school debt.

📚 Education

(8.9K)

subscription

MasterElec - NEC Code Guide

Electrical Voice Assistant

2017 Master Electrician Ref.

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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

📊 Productivity

(1.3K)

paid

NEC Electrical Exam Prep 2026

Journeyman/Master Electrician

Structured course for Journeyman and Master exams2,000+ exam-style practice questionsAI tutor for NEC concepts

Prepare for your Journeyman and Master Electrician exams with a comprehensive study app. It offers structured lessons, over 2,000 practice questions, and an AI tutor to help you master complex NEC code and electrical theory. Track your progress and study offline.

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