Southwire 8/3 NMWU 30M Underground Copper Wire – Black

The Southwire 8/3 NMWU Underground Electrical Cable is designed for underground wiring applications, including direct burial and wet or corrosive environments such as basements. With three 8 AWG copper conductors plus a ground, this cable is built for durability and safe performance in demanding conditions.

Manufactured with annealed copper conductors and compressed stranding, each phase conductor is insulated with PVC and covered with a nylon jacket. The overall cable is resistant to sunlight, moisture, and fungus, making it ideal for long-lasting underground use.

Key Features

• Cable Type: NMWU, 8/3 with ground

• Length: 30m

• Conductor: Annealed copper (soft)

• Jacket Color: Black

• Insulation: PVC with nylon jacket

• Sunlight-, moisture-, and fungus-resistant

• Approved for direct burial and underground applications

Specifications

• Conductor Size: 8 AWG

• Strands: Compressed stranding

• Max Operating Voltage: 300V

• Max Operating Temperature: 60°C

• Minimum Install Temp: -10°C (3-conductor), -25°C (other sizes), -40°C (14–6 AWG 2-conductor)

• Standards: CSA C22.2