Best Commercial Electrical Designer Apps

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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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

NEC Electrical Exam by Dakota

(1.5K)

paid

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.

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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)

Electrical Wiring Pro 2017

Calcs, Refs - Electrical Pros

2017 Electrical Code supportAmpacity and wire sizingBox fill and wire bending space

This app provides electrical calculations and references based on the 2017 Electrical Code. It supports multiple code versions and offers features for wire sizing, box fill, conduit fill, residential load calculations, and voltage drop.

(32)

Learn Electrical Engineering

by Pollmine.Com

AI-driven coachBite-sized video lessonsQuizzes

Master electrical engineering concepts with an AI-powered coach. Access bite-sized video lessons, quizzes, and personalized guidance to enhance your knowledge. Dedicate just 60 minutes weekly to achieve significant learning outcomes.

(298)

2017 Master Electrician Ref.

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

NEC Code CalculationsWire SizingVoltage Drop

(1.2K)

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.

(124)

Accredited Online Trade School

SkillCat: EPA 608 & HVAC

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.

Electrical Panel Designer

(8.2K)

subscription

Switchboard Wiring Diagram

Electrical panel assemblyWire routingDevice library

$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 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.

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Electrical Toolkit by HCP

Conduit + load calcs for pros

Conduit bending calculationsNEC-compliant conduit fillResidential load calculations

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.

(18)

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.

(41)

FastField: Field Service Forms

The Leader in Mobile Forms!

Create custom forms without technical expertiseDeploy forms to mobile workforce instantlyCollect data in real-time

This app provides mobile access to custom forms, eliminating paper and reducing manual input errors. Create and deploy forms in minutes without technical expertise, collecting richer data in real-time from smartphones and tablets, even offline.

💼 Business

(16K)

Maintenance Management CMMS

MaintainX Work Orders

Work order creation, assignment, and trackingMobile work order completion with photos and voice notesOffline mode for technicians

This app provides a comprehensive solution for maintenance management and work order tracking, designed for field technicians and managers. It simplifies task assignment, asset information access via QR codes, and safety inspections, while also offering inventory management capabilities.

(5.2K)

Southwire® Conduit Fill Calc

by Southwire Company

Conduit size calculationNEC fill percentagesJam probability

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.

(746)

Electrical Troubleshooting MS

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.

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