Best Commercial Electrical Designer Apps

4.6😐(197 ratings)

Free

Mike Holt's Electrical Toolbox screenshot 1

Mike Holt's Electrical Toolbox screenshot 2

Mike Holt's Electrical Toolbox screenshot 3

Mike Holt's Electrical Toolbox screenshot 4

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.

What We Love

👍 Great app for electricians
💡 Provides code article references
👍 Useful for on-the-spot reference
👍 Excellent for verifying calculations
👍 Helpful for exam preparation
👍 Simplifies the trade
👍 Great jobsite resource
👍 Handy tool for electricians
👍 Teaches code in an advanced way
👍 Free app with needed features
👍 Helps size A/C circuits correctly
👍 American made

Room to Improve

🐛 Emailing results not working
🐛 Outdated information
🐛 Load calc a little clunky
🐛 Content setup needs overhaul
🐛 Video series lacks completion system
🐛 Bug with widescreen video exit
🐛 Not user-friendly
🐛 Outdated app needs refinement
🐛 Previous calculation data not erased
🐛 App is straight garbage (paid)

Electrical Systems Pro Suite by Yuhsiu Lai

NEC Design, Workflow Lab Tools

Worth Considering

Electrical Layout Designer

1.0(1 ratings)

FreeIn-App Purchases

Electrical Systems Pro Suite screenshot 1

Electrical Systems Pro Suite screenshot 2

Electrical Systems Pro Suite screenshot 3

Electrical Systems Pro Suite screenshot 4

Electrical Systems Pro Suite screenshot 5

This professional toolkit offers four distinct modules for electrical engineers, designers, and students. It provides tools for residential and commercial electrical design, project workflow management, and visual learning, with individual module purchases or a bundled discount.

More Commercial Electrical Designer apps to explore

NEC Plans Drawings & Load Calc

$9.99

Design professional, code-compliant electrical layouts on your mobile device. Import floor plans, place symbols, generate NEC load calculations, and create panel schedules. This app is an all-in-one electrical design studio for on-the-go professionals.

Import PDF floor plansPlace 79+ electrical symbolsGenerate NEC load calculations

Load calcs, NEC help, and more

Load calculator with NEC standardsSingle line diagram toolPanel schedule creation

Streamline electrical design and permitting with powerful tools for load calculations, panel schedules, and single-line diagrams. Quickly reference the National Electrical Code with an AI-powered chatbot and generate instant PDF reports for inspectors and clients.

Master Electrician Ref. Lite

(11)

ad-supported

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 Wiring Pro 2017

(2.5K)

paid

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.

(33)

Electrical Wiring Lite

by Intineo LLC

Residential service sizingFeeder and ground sizingAmpacity calculations

This app assists electricians, engineers, and electrical professionals with essential calculations for residential services, feeders, and grounding. It performs calculations for wire sizing, box fill, conduit size, and cover requirements based on NEC standards. Results can be emailed for documentation purposes.

(1)

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.

(78)

Electrical Schematics: Canvas

Circuit Diagram Designer

$2.99

ConduitLab: NEC Calculator

(0)

NEC Voltage Drop & Fill Calc

Ampacity calculations with deratingVoltage drop calculations2D conduit fill visualizer

This app provides professional NEC electrical calculations for electricians and engineers. It features ampacity, voltage drop, and conduit fill calculations, with a unique 2D visualizer to see conductor layouts. Generate inspector-ready PDF reports for documentation and record-keeping.

free with in-app purchases

(3)

TrueLine: One-Line Diagram

Electrical Diagram & PDF

Ampero: Electrical Calculator

(1)

Wire Size, Voltage Drop & NEC

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.

📚 Education

(172)

free with in-app purchases

Electrical Wiring Pro 2014+

by Intineo LLC

Ampacity and wire sizingBox fill and wire bending spaceConduit fill calculations

This app provides electricians and electrical professionals with over 30 calculation tools for designing and documenting code-compliant installations. It supports multiple National Electrical Code versions and offers features for ampacity, wire sizing, box fill, conduit fill, bending, and load calculations.

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

Ugly's Electrical References

(2)

paid

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

Panelos Electrician Tools

(1.5K)

paid

Panel Schedule & Load Balance

Electrical Prep: Journeyman

(0)

Drills, NEC tables, exam sim

Electrician Handbook — Basics

📚 Education

(0)

Electric circuit, voltage, ohm

Electrical theory topicsInteractive circuit diagramsCalculators and formulas

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

(1K)