Best 4/0 Aluminum Quadruplex Cables for URD Installations
Finding the right 4/0 aluminum quadruplex cable for underground residential distribution (URD) requires examining conductor size, insulation, and ampacity. This guide highlights five reliable options from reputable brands, detailing their key specifications and practical use cases. Each entry includes a direct link to Amazon for quick reference, a product image, and the notable features that may influence installation decisions for underground networks.
Summary of selected products:
| Product | Conductor Size | Neutral Size | Length | Key Feature |
|---|---|---|---|---|
| Nassau Electrical Supply Wake Forest 100′ | 4/0 | 2/0 | 100 ft | Direct Burial, URD Cable |
| Nassau Electrical Supply Wake Forest 80′ | 4/0 | 2/0 | 80 ft | Direct Burial, URD Cable |
| Nassau Electrical Supply Wake Forest 40′ | 4/0 | 2/0 | 40 ft | Direct Burial, URD Cable |
| Wirenco 4/0 AWG XHHW-2 Aluminum Building Wire | 4/0 | — | 125 ft | High-temperature, UL/ASTM certified |
| 2-2-2-4 Aluminum Quadruplex URD Direct Burial (200) | 2 | 4 | — | URD quadruplex, 200 conductor bundle |
Nassau Electrical Supply Wake Forest 100′ Quadruplex URD Cable

Brand: Nassau Electrical Supply. Features: Code Name Wake Forest; Phase Conductor Size AWG 4/0; Neutral Size AWG 2/0. This direct burial 600V URD cable is designed for underground installations with a quadruplex configuration. The 100-foot length provides flexibility for longer feeds without splices. Suitable for residential and light commercial URD projects where robust aluminum conductors are required.
Nassau Electrical Supply Wake Forest 80′ Quadruplex URD Cable

Brand: Nassau Electrical Supply. Features: Code Name Wake Forest; Phase Conductor Size AWG 4/0; Neutral Size AWG 2/0. This URD cable is intended for underground burial with direct burial capabilities and is rated for 600V. The 80-foot length offers practical deployment for mid-range URD runs in residential or small commercial settings.
Nassau Electrical Supply Wake Forest 40′ Quadruplex URD Cable

Brand: Nassau Electrical Supply. Features: Code Name Wake Forest; Phase Conductor Size AWG 4/0; Neutral Size AWG 2/0. The 40-foot variant is suited for short URD runs or as a tie-in segment in urban underground networks. It maintains direct burial suitability and 600V URD rating for reliable service in buried environments.
Wirenco 4/0 AWG XHHW-2 Aluminum Building Wire (125 Ft Cut)

Brand: wirenco. Features: UL 44 and ASTM B800, B801 Certified; Compact stranded aluminum conductor; Ampacity 205 Amps @ 90°C. While not labeled explicitly as quadruplex URD, this 4/0 XHHW-2 aluminum wire offers high-temperature performance and flexibility for building or conduit runs that intersect URD-type applications where shortened lengths or building wiring practices apply.
2-2-2-4 Aluminum Quadruplex URD Direct Burial Cable (200)

Brand: Generic. Features: Phase Conductor Size 2 AWG; Conductor Strand 7; Neutral Conductor Size 4 AWG. This quadruplex URD option supports larger phase conductors with a heavier neutral, making it suitable for higher-demand underground feeders. The 200-foot reference indicates a longer run capability with direct burial insulation to support URD infrastructure.
2-2-2-4 Aluminum Quadruplex URD Direct Burial Cable (150)

Brand: Generic. Features: Phase Conductor Size 2 AWG; Conductor Strand 7; Neutral Conductor Size 4 AWG. This variant is designed for similar URD usage with slightly different length customization (150 feet), offering flexibility for mid-range underground feeder projects. The quadruplex configuration supports concurrent phase and neutral conductors for URD distribution.
Wirenco 4/0 AWG XHHW-2 Aluminum Building Wire

Brand: wirenco. Features: UL 44 and ASTM B800, B801 Certified; Compact Stranded Aluminum Conductor; Ampacity 205 Amps @ 90°C. Reiterating Wirenco’s option highlights high-temperature performance and suitability for both URD-adjacent projects and building wiring roles where 4/0 aluminum is needed in a flexible, cut-to-length form factor.
Buying Guide
Key considerations when selecting 4/0 aluminum quadruplex URD cables:
- Conductor configuration: Quadruplex URD cables bundle three phase conductors with a neutral. Verify the exact conductor arrangement to ensure compatibility with existing feeders and splices.
- Voltage rating and insulation: Most URD cables are rated for 600V or higher and are designed for direct burial. Confirm insulation thickness and material to match soil conditions and local codes.
- Ampacity and temperature rating: Look for ampacity specifications at 90°C or appropriate ratings for the intended service. Higher temperature ratings enable smaller or shorter conductors in some installations.
- Direct burial suitability: Ensure the product is rated for underground direct burial with appropriate derating rules, and that it complies with local electrical codes for URD installations.
- Length and adaptability: Choose lengths that minimize splices and accommodate routing constraints. Some entries are offered in multiple lengths for versatility in project planning.
- Brand and certification: Favor recognized brands with UL/ASTM certifications and documented field performance. This supports compliance with industrial and residential standards.
- Installation environment: Consider outdoor exposure, soil temperature, moisture, and potential mechanical stresses when selecting insulation and sheath materials.
Note: This article presents product options and features for informational purposes. Always consult a licensed electrician or utility professional to ensure proper selection, installation, and adherence to local electrical codes for URD systems.