Southwire 6/2UF-WGX125 Building Wire

Southwire 6/2UF-WGX125 Building Wire

The Southwire 6/2 UF-B Building Wire is a heavy-duty underground feeder cable built for direct burial and demanding outdoor applications, delivering reliable power where standard wiring won’t hold up. With 6 AWG solid copper conductors, a durable gray PVC jacket, and THHN insulation rated to 90°C, this cable is designed to handle wet, damp, corrosive, and sunlight-exposed environments without breaking down. Whether you're running power to outbuildings, lighting, or equipment, this is the kind of wire you install once and trust to stay put.

Country of Origin
Varies by production batch

Key Features / Specifications

• Brand: Southwire
• Product Type: UF-B underground feeder / branch circuit cable
• Wire Size: 6 AWG
• Configuration: 6/2 with ground
• Length: 125 ft
• Conductor Material: Annealed copper (solid)
• Number of Conductors: 2 conductors + ground
• Insulation Type: PVC insulated, nylon jacketed (THHN equivalent)
• Voltage Rating: 600 V
• Temperature Rating: Up to 90°C
• Current Rating: 40 amps
• Jacket: Gray PVC, sunlight-resistant
• Environmental Resistance: Moisture, fungus, corrosion, and flame-retardant
• Installation Type: Suitable for direct burial, exposed or concealed wiring
• Applications: Underground feeders, outdoor lighting, branch circuits, and outbuilding power
• Standards: UL listed; meets ASTM and federal specifications

Ideal For

• Direct burial installations without conduit (where permitted)
• Running power to barns, shops, and outbuildings
• Outdoor lighting and equipment circuits
• Wet or corrosive environments where standard cable won’t last
• Anyone who wants underground wiring that holds up—without digging it back up next year to fix it