---
title: "Southwire® Voltage Drop Calc — App Overview"
url: https://marlvel.ai/apps/southwire-voltage-drop-calc
category: Utilities
developer: Southwire Company
platforms: ios
rating: 4.6 (1.4K ratings)
pricing: free
report_level: overview
generated: 2026-05-08
last_verified: "2026-05-08T16:30:58.796Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** This is a specialized, free utility for electrical professionals to ensure circuit designs meet voltage drop and NEC ampacity standards.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Utilities |
| Rating | 4.6 ★ (1.4K) |
| Pricing | free |
| Platforms | iOS |
| Latest Version (iOS) | 3.2.3 |
| Developer | Southwire Company |

<!-- SECTION: Summary -->
## What is Southwire® Voltage Drop Calc?

Southwire® Voltage Drop Calc is a utility tool designed to assist electrical professionals in determining appropriate wire sizes for electrical circuits. It performs calculations based on voltage drop limits and NEC ampacity requirements for AWG and KCMIL conductor sizes.

<!-- SECTION: Key Features -->
## Key Features

- **Wire Size Determination**: Calculates the proper wire size required to meet specific voltage drop limits.
- **Voltage Drop Calculation**: Determines the voltage drop for a specific conductor run.
- **NEC Compliance**: Limits wire size calculations based on NEC ampacity standards.
- **Conductor Support**: Supports calculations specifically for AWG and KCMIL conductor sizes.

<!-- SECTION: Target Audience -->
## Who is it for?

Electrical contractors, engineers, and professionals involved in circuit design and conductor sizing.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/southwire-voltage-drop-calc/id440338420?uo=4)
- [Full Intelligence Report](https://marlvel.ai/apps/southwire-voltage-drop-calc)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/southwire-voltage-drop-calc).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*