Best Electrician Tools Apps

Electrical Toolkit by HCP

Conduit + load calcs for pros

Free

This comprehensive mobile toolkit provides electricians and professionals with essential calculations, NEC-compliant tools, and field utilities. It offers features for conduit bending, fill calculations, load analysis, and various electrical calculators, all designed for speed and clarity.

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.

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.

Electrician's Sidekick

by IDEAL INDUSTRIES, INC

Free

This free tool consolidates essential electrical calculations and reference guides into a single app. It offers precise tools for conduit bending, wire sizing, voltage drop, and conduit fill, designed to enhance fieldwork efficiency and accuracy for professionals. The app functions offline, ensuring constant access to critical information.

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.

Harbor Freight Tools

Harbor Freight Coupons

Free

Discover the latest coupons, instant savings, and exclusive deals for members. Browse tools, check local stock, and create wish lists. Scan barcodes in-store for more product information.

Electrician Exam Prep 2026

Pass Electrician License Exam

Free

Prepare for your Journeyman Electrician license exam with expert-designed content. This app offers over 1,400 practice questions, simulated exams, and personalized study plans to boost your confidence and help you pass on your first attempt.

NEC Electrician Exam Prep 2026

Journeyman Electrician Prep

Free

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.

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.

Electrician Test Prep 2026

NEC Electrician Exam Practice

Free

Prepare for your Journeyman Electrician certification exam with over 1,200 practice questions and detailed explanations. Utilize multiple test modes and a performance analysis system to study efficiently and increase your chances of passing on the first attempt.

Electrician Pro X

Electrical Contractor Tools

Free

Streamline your electrical business with job management, invoicing, and payment processing. This app offers NEC calculators, time tracking, and client database management to help electricians work more efficiently and get paid faster.

Electrician Handbook — Basics

Electric circuit, voltage, ohm

Free

$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.

VEVOR Home Improvement Tools

Tougher Tools, Better Prices

Free

This platform offers a wide selection of tools and equipment for home improvement and DIY projects. Browse millions of quality products, enjoy exclusive deals, and benefit from fast delivery and a hassle-free return policy. Get tough equipment at affordable prices for all your building needs.

Dakota - The Electrician App

Load, Conduit & NEC Calculator

Free

This app provides electricians and apprentices with essential tools for on-the-job tracking and NEC-aligned calculations. It helps with circuit analysis, load calculations, conduit fill, motor and transformer computations, and voltage drop assessments for field use and exam preparation.