Best Southwire Conduit Fill Apps

Calculate maximum cable capacitySelect conduit sizeChoose fill ratio

Easily determine the maximum number of data cables that can fit within a conduit of a specific size. Input your conduit dimensions and desired fill ratio to get an instant calculation.

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SIMpull 600V Calculator

Southwire Calculator

Voltage Drop CalculatorGround Wire SizingAmpacity Adjustments

This app offers multiple calculators for electrical calculations, all linked by wire pull characteristics. It generates NEC® compliant answers for voltage drop, ground wire sizing, ampacity adjustments, and more. Results can be easily emailed.

🔍 Reference

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Southwire® Conversion Calc

Southwire

Copper to aluminum conversionAluminum to copper conversionPricing unit of measure calculation

This utility app facilitates conversions between copper and aluminum electrical wiring. It allows users to calculate pricing, unit of measure, conversion factors, and weight based on product length. The app comes preloaded with numerous cable types for easy calculation.

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Electrical Code-A-Day

Quiz for Electricians

Daily electrical code questionsQuestions written by a real electricianCovers a wide range of electrical topics

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.

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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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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AWG Calculator: Wire Size

Electrician Wire Tool

Wire size (AWG) calculationsVoltage drop calculationCircuit breaker sizing

This professional tool provides electricians with accurate, code-based electrical calculations for wire sizing, voltage drop, circuit breakers, and more. It includes NEC® code references and specialized calculations for various systems. Save time and ensure accuracy in the field or during planning.

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Box Fill Pro

by Intineo LLC

Detailed wire size and component calculationsOptional cable counting modeStandard box and plaster ring volumes

This app simplifies electrical wiring box fill calculations with detailed breakdowns by wire size and component. It offers an optional cable counting mode and includes volumes for standard boxes and plaster rings for quick reference. Results are displayed on a single screen for easy access and can be shared via email.

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Conduit Fill: NEC Calculator

Voltage Drop, Wire & Box Fill

16 NEC calculatorsNEC year-aware (2017-2026)Inspector citations on results

This professional calculator helps licensed electricians perform complex NEC code calculations for conduit fill, voltage drop, wire sizing, and more. It offers multiple NEC code years and provides inspector-ready PDF exports with project management features. Designed for offline use in the field.

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Prysmian Group Conduit Fill

Electrical Conduit Fill

NEC code selection (2011, 2014, 2017)Metric or standard conductorsAllowable fill rates

This tool quickly calculates the minimum conduit size required for electrical projects based on National Electrical Code standards. It supports various conductor types, insulation, and conduit options, providing essential fill data for professionals.

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Electrician Handbook — Basics

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.

🔍 Reference

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All in one electricians tools

Electrician Handy Tool

Voltage drop calculatorConduit bending calculatorFraction calculator

This app provides electricians with essential tools for conduit bending, calculations, and quick reference. It simplifies electrical work with features like voltage drop calculation and a user-friendly fraction calculator.

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Electrical Calculator lite

60 Calculators & 16 Converters

60+ Electrical Calculators16 Electrical Unit ConvertersOhm's Law Calculations

This comprehensive tool offers over 60 calculators and 16 converters for electrical engineering, wiring, and circuit analysis. It supports engineers, electricians, students, and hobbyists with calculations ranging from basic Ohm's Law to complex RLC circuits and power conversions.

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FILL ◦ Conduit Fill Calculator

NEC 2023 Conduit Fill by Code

NEC 2023 compliant calculationsForward and reverse calculation modesReal-time fill percentage status

This app calculates conduit fill percentages based on NEC 2023 standards. It helps electricians determine if wires will fit in a conduit or find the smallest suitable conduit for a given set of wires. Features include real-time status updates, history, and export options.

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Electrician's Sidekick

by IDEAL INDUSTRIES, INC

Conduit bending calculatorWire sizing and voltage drop calculatorConduit fill calculator

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.

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Partial Reel Calculator

Southwire

Estimates wire/cable footage on reelsPreloaded with common cables and reelsCreate custom favorite cables and reels

This utility app helps estimate the remaining wire or cable footage on a reel. It comes preloaded with common cables and reels, and allows users to create custom favorites for quick access.

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Electrician Exam Prep 2026

Pass Electrician License Exam

1,400+ specialized questionsDetailed explanationsSimulated exam quizzes

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.

📚 Education

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