TOT Wire & Cable offers a full range of UF-B (Underground Feeder Type B) cables, ideal for direct burial wiring in outdoor and damp environments. Our UF-B cables are designed with solid copper conductors and a rugged moisture-resistant PVC jacket, making them the top choice for residential and light commercial underground power distribution.

uf-b wire
🔧 Key Features of UF-B Cable
Rated for Direct Burial – No conduit required
Moisture, sunlight, and corrosion resistant
Solid bare copper conductors for reliable conductivity
PVC jacket with individual insulation for each conductor
Includes ground wire for safety and code compliance
UL listed and meets NEC requirements (Article 340)
📦 Available Sizes and Configurations
We stock the following popular UF-B cable sizes:
✅ 12/2 UF-B Wire with Ground
Application: 20A branch circuits for outdoor lighting, garage outlets, garden power
Conductors: Two 12 AWG solid copper + ground
Rating: 600V, 90°C dry / 60°C wet
Jacket color: Gray
Commonly used for: Outdoor GFCI outlets, landscape lighting
✅ 10/2 UF-B Wire
Application: 30A underground feeds for water heaters, small HVAC units
Conductors: Two 10 AWG solid copper + ground
Direct burial: Yes, suitable for wet locations
NEC compliant: For underground and exterior wall applications
✅ 6/3 UF-B Wire with Ground
Application: 55A circuits for subpanels, large pumps, outbuildings
Conductors: Three 6 AWG solid copper + ground
Heavy-duty design: Supports higher ampacity loads
Commonly used for: Barns, detached garages, outdoor subpanels
✅ 4/3 UF-B Wire
Application: 70A–85A service feeds to large outdoor equipment or structures
Conductors: Three 4 AWG solid copper + ground
Used for: 240V power to large workshops, high-load circuits
Built for durability: Thicker PVC jacket, reliable performance in harsh conditions
✅ 14/2 UF-B Outdoor Cable
Application: 15A outdoor branch circuits
Conductors: Two 14 AWG solid copper + ground
Typical uses: Garden lights, fountains, patio outlets
Cost-effective: Great for small-load outdoor runs
🛠️ Typical Applications
Underground power to garages, sheds, barns, and outdoor equipment
Garden and landscape lighting
Outdoor GFCI receptacles
Remote air conditioning compressors or water pumps
Exterior branch circuits exposed to moisture and direct sunlight
📐 Technical Specifications
Property | Details |
---|---|
Voltage Rating | 600 Volts |
Temperature Rating | 90°C dry / 60°C wet |
Conductors | Solid bare copper (per ASTM B3) |
Insulation | PVC (Polyvinyl Chloride) |
Jacket | Sunlight/moisture resistant PVC |
Standards | UL Listed, NEC Article 340 |
Direct Burial | Yes |
📞 Need Help Choosing the Right UF-B Cable?
Our team can help you determine the best size and configuration for your project. Whether you're wiring a backyard shed or powering an entire subpanel underground, TOT Wire & Cable provides reliable, code-compliant solutions at competitive prices.
👉 Contact us now for pricing, technical support, or bulk ordering.