Best UF-B Underground Feeder Cable: Top 5 Direct Burial Picks
UF-B, or underground feeder cable, is designed for direct burial and outdoor electrical installations. This article highlights five suitable options across different conductor counts and lengths, focusing on direct burial suitability, durability, and copper quality. Each product is evaluated against common needs: conductors and ground wires, PVC jackets, UV and moisture resistance, and NEC-compliant ratings. Whether you’re feeding outdoor lights, pumps, or equipment from a subpanel, these UF-B cables offer reliable conductors and robust insulation for long-term outdoor use.
| Product | Conductor Type | Length | Ground Wire | Key Benefit |
|---|---|---|---|---|
| Southwire UF-B Underground Feeder Cable, 12/2 AWG | 12 AWG | 250 ft | With or without ground option | Solid balance of performance and flexibility |
| FIRMERST 14/2 UF Wire Outdoor Direct Burial | 14 AWG | 100 ft | Ground wire included | ETL listed, durable PVC jacket |
| Woods Southwire 100 ft 10/2 UF-B | 10 AWG | 100 ft | With ground wire | Direct burial rated, versatile indoor/outdoor use |
| Southwire 12/3 W/G UF Cable, 250 ft | 12/3 with ground | 250 ft | Ground included | Three conductors for additional loads |
| VN Infinite Quality 12/2 UF-B, 25 ft | 12 AWG | 25 ft | No dedicated ground wire (as specified) | Premium copper, direct burial ready |
Southwire UF-B Underground Feeder Cable, 12/2 AWG, 250 ft
Brand: Southwire | Conductor: 12 AWG | Length: 250 ft | Ground: Available with or without a ground wire | Description: Conductors are annealed copper with PVC insulation and a nylon, color-coded jacket. This UF-B cable is designed for direct burial and can be used for feeder lines to outdoor loads. It supports overhead-to-subpanel transitions and is suitable for wet or dry locations depending on installation. The nylon jacket provides color coding for easier routing and identification.
FIRMERST 14/2 UF Wire Outdoor Direct Burial 100 ft
Brand: FIRMERST | Conductor: 14 AWG solid copper with ground wire | Length: 100 ft | Ground: Included | Description: ETL-listed for direct burial, rated for 600 volts with PVC jacket that resists corrosion and UV exposure. Suitable for outdoor and indoor connections requiring a lighter-gauge UF-B cable, ideal for low- to mid-demand outdoor circuits such as lighting and small pumps when distance is manageable. The cable is built for robust outdoor performance in dry or wet locations.
Woods Southwire 100ft 10/2 UF-B Cable
Brand: Southwire | Conductor: 10 AWG | Length: 100 ft | Ground: With ground wire | Description: UF-B cable designed for underground feeder use and direct burial. Suitable for use as a feeder to outside post lamps, pumps, and other loads. Also adaptable for indoor applications per code. Manufactured for durability in outdoor environments with a focus on long-term reliability in direct burial scenarios.
SOUTHWIRE COMPANY #13058355 250′ 12/3 W/G UF Cable
Brand: Southwire | Conductor: 12/3 with ground | Length: 250 ft | Ground: Included | Description: Three-conductor UF-B cable intended for underground feeders to outdoor loads. Suitable for direct burial and versatile enough for use in feeder runs to exterior equipment like lamps and pumps. Provides additional conductor capacity for multi-load configurations and is built for outdoor exposure with a durable PVC jacket.
VN Infinite Quality 12/2 UF-B Wire Gray Solid Underground Feeder Cable
Brand: VN Infinite quality | Conductor: 12 AWG solid copper | Length: 25 ft | Ground: Not specified as separate | Description: Premium copper conductors for maximum conductivity, direct burial rated, and a PVC jacket with resistance to sunlight and moisture. Suitable for outdoor lighting, pumps, and other underground feeder installations where a compact length is advantageous. Emphasizes durable performance in harsh outdoor environments.
FIRMERST 12/2 UF Wire Outdoor Direct Burial 150 ft
Brand: FIRMERST | Conductor: 12 AWG solid copper with ground wire | Length: 150 ft | Ground: Included | Description: ETL-listed direct burial UF-B cable rated up to 600 volts with a PVC jacket designed to withstand UV exposure and moisture. Suitable for outdoor feeders requiring reliable 12-gauge conductors across longer distances, balancing current capacity and flexibility for residential outdoor installations.
Buying Guide: UF-B Underground Feeder Cable
Key considerations help compare UF-B cables for direct burial projects:
- Conductor gauge and count: Choose gauge based on load, distance, and voltage drop. 10 AWG supports higher current; 12 and 14 AWG suit lighter loads or shorter runs.
- Grounding and grounding wires: Some cables arrive with a ground wire; assess whether your installation requires an additional grounding path per code.
- Direct burial rating: Verify the cable is listed for direct burial and complies with local NEC requirements. ETL or UL listings indicate reliability for outdoor conditions.
- Jacket material and durability: PVC jackets resist moisture, UV exposure, and chemical intrusion. Color-coding and jackets can aid identification and routing.
- Length and packaging: Longer runs may justify thicker gauge or multiple spools. Ensure your length selections minimize splices and transitions.
- Application versatility: Some cables are suitable for indoor use in damp or exposed environments, expanding install options beyond exterior runs.
- Cost vs. performance: Compare price per foot against durability and conductor quality to determine best value for your project.
- Code compliance: Confirm the cable meets NEC direct burial requirements for your region, especially for outdoor lighting, pumps, and irrigation systems.
Direct burial UF-B cables provide the backbone for outdoor electrical systems. When selecting a product, align the conductor size and count with the expected load, the burial distance, and environmental exposure. Durable PVC jackets and proper grounding features further ensure long-term reliability in wet, dusty, or sunny conditions.