--- product_id: 27938729 title: "Southwire Building Wire 8 Ga 3 Conductor 40 Amp 600 V 90 Deg C 100 ' Black" brand: "southwire" price: "$756.04" currency: USD in_stock: true reviews_count: 1 category: "Southwire" url: https://www.desertcart.us/products/27938729-southwire-building-wire-8-ga-3-conductor-40-amp-600 store_origin: US region: United States of America --- # 40 Amp Power Residential Use 600V Rated Southwire Building Wire 8 Ga 3 Conductor 40 Amp 600 V 90 Deg C 100 ' Black **Brand:** southwire **Price:** $756.04 **Availability:** ✅ In Stock ## Summary > 🔧 Wire Your World with Confidence! ## Quick Answers - **What is this?** Southwire Building Wire 8 Ga 3 Conductor 40 Amp 600 V 90 Deg C 100 ' Black by southwire - **How much does it cost?** $756.04 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/27938729-southwire-building-wire-8-ga-3-conductor-40-amp-600) ## Best For - southwire enthusiasts ## Why This Product - Trusted southwire brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Durable Design:** Built to withstand 90°C in dry locations. - • **Safety Approved:** Certified for service up to 600 volts. - • **Compact Convenience:** Easily manageable dimensions for any project. - • **Versatile Applications:** Perfect for both residential and commercial wiring. - • **Unmatched Power Handling:** Handles up to 40 Amps with ease. ## Overview The SOUTHWIRE COMPANY LL 63949272 Building Wire is a robust 8 Ga, 3 conductor cable designed for residential and commercial wiring. With a capacity of 40 Amps and a voltage rating of 600V, this cable is perfect for branch circuits in dry locations, ensuring safety and reliability in your electrical projects. ## Description Type Nm-B Cable Is designed specifically for use in residential and commercial wiring of branch circuits. Installation above ground and in dry locations only. Approved for service to 600 Volts. Pvc (polyvinyl chloride) jacket and PVC insulated, nylon Jacketed conductors with ground (WG). flame-retardant and crush-resistant. Ul (underwriter's laboratories) listed. Review: Excellent Heavy Duty Cable - Perfect for Welding! - This cable is exactly what I needed! It's incredibly heavy duty, just as described. The copper is thick, ensuring great conductivity, which is crucial for demanding applications. I used this specifically for my welder, and it performed flawlessly with zero issues whatsoever. It handled the power and current requirements without any problems. A solid, reliable cable that I would highly recommend for anyone needing serious gauge wire for heavy loads or welding projects. Top quality! ## Features - Type nm-b cable is designed specifically for use in residential and commercial wiring of branch circuits - Installation above ground and in dry locations only - Approved for service to 600 volts - Product Dimension: 1.0"L x 1.0"W x 1.0"H ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B000BQRR90 | | Best Sellers Rank | #836,579 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #3,688 in Electrical Wire | | Brand Name | Southwire | | Color | Black | | Customer Reviews | 5.0 5.0 out of 5 stars (3) | | Global Trade Identification Number | 00032886038198 | | Included Components | cord reels | | Item Type Name | Building Wire 8 Ga 3 Conductor 40 Amp 600 V 90 Deg C | | Item Weight | 1 Pounds | | Manufacturer | SOUTHWIRE COMPANY LL | | Material Type | Copper | | Number Of Wires | 3 | | Strands | ?Multi Strand | | UPC | 032886038198 | | Unit Count | 100.0 Feet | | Voltage | 600 Volts | ## Product Details - **Brand:** Southwire - **Color:** Black - **Material:** Copper - **Number of Cable Strands:** ?Multi Strand - **Voltage:** 600 Volts ## Images ![Southwire Building Wire 8 Ga 3 Conductor 40 Amp 600 V 90 Deg C 100 ' Black - Image 1](https://m.media-amazon.com/images/I/31NVLFBPsfL.jpg) ![Southwire Building Wire 8 Ga 3 Conductor 40 Amp 600 V 90 Deg C 100 ' Black - Image 2](https://m.media-amazon.com/images/I/4170vDaNwSL.jpg) ![Southwire Building Wire 8 Ga 3 Conductor 40 Amp 600 V 90 Deg C 100 ' Black - Image 3](https://m.media-amazon.com/images/I/81U9Y5h7C-L.jpg) ![Southwire Building Wire 8 Ga 3 Conductor 40 Amp 600 V 90 Deg C 100 ' Black - Image 4](https://m.media-amazon.com/images/I/51qyTyyRvrL.jpg) ![Southwire Building Wire 8 Ga 3 Conductor 40 Amp 600 V 90 Deg C 100 ' Black - Image 5](https://m.media-amazon.com/images/I/414K02iy47L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Excellent Heavy Duty Cable - Perfect for Welding! *by T***Y on June 23, 2025* This cable is exactly what I needed! It's incredibly heavy duty, just as described. The copper is thick, ensuring great conductivity, which is crucial for demanding applications. I used this specifically for my welder, and it performed flawlessly with zero issues whatsoever. It handled the power and current requirements without any problems. A solid, reliable cable that I would highly recommend for anyone needing serious gauge wire for heavy loads or welding projects. Top quality! --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/27938729-southwire-building-wire-8-ga-3-conductor-40-amp-600](https://www.desertcart.us/products/27938729-southwire-building-wire-8-ga-3-conductor-40-amp-600) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-17*