Best NEMA Guide alternatives: apps like NEMA Guide

10+ similar apps compared and reviewed

4.6 avg rating
10 free apps
Updated October 2026

Looking for something like NEMA Guide? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to NEMA Guide

NEC Box & Conduit Calc#1

NEC Box & Conduit Calc by V PUGAZHENTHI

NEC Tools for Electricians
Editor's Choice
🔧 Utilities
4.9(19 ratings)
FreeIn-App Purchases
NEC Box & Conduit Calc screenshot 1
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NEC Box & Conduit Calc screenshot 5
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Calculate electrical box and conduit fill accurately according to the NEC. This app provides instant, reliable calculations for electricians, contractors, and students, saving time on job sites. It offers support for various box and conduit types, conductor sizes, and includes wire volume data.

MasterElec - NEC Code Guide#3

MasterElec - NEC Code Guide by TWOSCRIPTS LABS INC.

Electrical Voice Assistant
Worth Considering
🔧 Utilities
5.0(4 ratings)
FreeIn-App Purchases
MasterElec - NEC Code Guide screenshot 1
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A voice-powered assistant for electricians that provides offline access to NEC references and professional calculators. Quickly get answers to code questions and perform calculations without needing an internet connection.

More apps like NEMA Guide

4
Kopperfield
Kopperfield
Kopperfield
Load calcs, NEC help, and more
Free

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.

Load calculator with NEC standardsSingle line diagram toolPanel schedule creation
🔧 Utilities
(9)
ad-supported
5
Voltage Drop Calculator.
Voltage Drop Calculator.
Voltage Drop Calculator.
Wire Size, NEC & IEC Tools
Free

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.

NEC and IEC dual standardsVoltage drop and wire sizing calculationsSupport for continuous load and corrections
🔧 Utilities
(410)
free with in-app purchases
6
ElectriCalc Pro
ElectriCalc Pro
ElectriCalc Pro
Electrician NEC Calculator
Free

This app provides electricians and electrical professionals with a powerful tool for performing complex calculations based on the latest National Electrical Code (NEC). It offers solutions for wire sizing, voltage drop, conduit sizing, and motor calculations, saving time and ensuring code compliance.

NEC compliant calculationsWire and conduit sizingVoltage drop calculations
🔧 Utilities
(354)
free with in-app purchases
7
Southwire® Conduit Fill Calc
Southwire® Conduit Fill Calc
Southwire® Conduit Fill Calc
by Southwire Company
Free

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.

Conduit size calculationNEC fill percentagesJam probability
🔧 Utilities
(746)
free
8
Southwire® Voltage Drop Calc
Southwire® Voltage Drop Calc
Southwire® Voltage Drop Calc
Southwire Calculator
Free

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.

Determine wire size for voltage dropCalculate voltage drop for conductor runsLimit wire size by voltage drop
🔧 Utilities
(1.5K)
free
9
Mike Holt's Electrical Toolbox
Mike Holt's Electrical Toolbox
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.

Conductor sizingVoltage drop limitationsCircuit protection sizing
🔧 Utilities
(197)
free
10
NX Lighting Controls
NX Lighting Controls
NX Lighting Controls
by Current Lighting Solutions, LLC
Free

Configure and manage NX lighting control devices wirelessly from your iPhone or iPad. This utility app simplifies the setup process for your smart lighting system.

Wireless device setupWireless device configurationiPhone and iPad compatibility
🔧 Utilities
(27)
free