Southwire® Conduit Fill Calc

Southwire Conduit Fill Calc calculates Conduit Fill % as per NEC Guidelines.

DiarSoft · com.conduit

Not rated yet 100K+ downloads v2.5 40.4 MB Android 8.0+ PEGI 3 · Everyone

Download APK 40.4 MB All versions

Signature matches the Google Play version Details

Southwire® Conduit Fill Calc screenshot 1

Southwire® Conduit Fill Calc screenshot 2

At a glance

Latest version: v2.5 (44)
Updated: Jul 3, 2026 (3 months ago)
APK size: 40.4 MB
Requires: Android 8.0+ (API 26)
CPU support: x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Category: Tools (app)
Listed since: Oct 28, 2021 (at least)
Permissions: 7
Website: southwire.com/apps
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Southwire® Conduit Fill Calc is an app by DiarSoft in the Tools category, listed since at least October 2021. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

Since version 2.4, the minimum Android version rose from 7.0 to 8.0. It asks for 7 permissions, none of them sensitive. Compared with version 2.4.1, it drops 1 permission: “Read Google service settings”.

What's new in v2.5

Improved navigation. Added new banner and improved the look of the button that takes you to the user-defined outer diameters screen.

Description

From the listing uploaded by “appupdater”.

Southwire has created this great tool to help electricians, engineers and contractors answer the question, “What size conduit do I use” per the NEC®, includes fill percentages and jam probability. If you do not have the NEC book handy or do not want to spend time manually calculating the Conduit Fill %, this is the right app for you. The app provides quick and easy navigation. Enter the Conduit Type and Size and specify your conductors. The App will calculate the Conduit Fill % as per NEC Guidelines. Southwire Company is North America’s leading manufacturer of wire and cable used in the distribution transmission of electricity. Throughout its history, our company has sought to deliver power through our products, our service and by helping empower our customers, employees and communities. The App Answers the question, “What size conduit do I use” includes fill percentages and jam probability per the NEC®. With one click, you can email your results.

Version history

3 versions are listed, going back to v2.4. Since v2.4.1 it requires Android 8.0+.

v2.5 LATEST Jul 3, 2026 40.4 MB TRUSTED v2.4.1 Jun 25, 2026 40.9 MB TRUSTED v2.4 Jan 22, 2025 41 MB TRUSTED

All 3 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Jul 3, 2026.
Certificate issued to “Southwire Company” This is the certificate of the Google Play version.
Same certificate as the 2 other versions checked

Store checks and file details

Developer signature verified Jul 3, 2026
Validated against Google Play Jul 3, 2026
Signed byCN=Andy Vlahopoulos, OU=ITS, O=Southwire Company, L=Carrollton, ST=GA, C=US
Signing certificate (SHA-1)38:F7:0E:D8:67:D3:7A:19:F5:C0:68:00:EA:4D:93:20:6A:07:93:A8
File MD5a4ff35edafb3e2c3db93b0433cbdff82
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (7)

Southwire® Conduit Fill Calc requests 7 permissions, none of them sensitive.

Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
Full network access android.permission.INTERNET
Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
Internal broadcast protection (app-defined) com.conduit.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Prevent the device from sleeping android.permission.WAKE_LOCK
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch

Southwire® Conduit Fill Calc APK: questions and answers

Is there a version of Southwire® Conduit Fill Calc for older Android phones?

The current version needs Android 8.0 or later. Version 2.4 is the newest listed build that installs on Android 7.0 and later. It is an old build: apps that rely on online services may no longer connect when they are this old. Get version 2.4 · All versions

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the Southwire® Conduit Fill Calc APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 2 other versions checked. After downloading, check that the file's MD5 is a4ff35edafb3e2c3db93b0433cbdff82.