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- Solid THHN/THWN-2 WireFrom $0.20/ft
Parent SKU : DEL-2URD
SKU : DEL-2URD-250
"Designed for 600V secondary power distribution, this #4 AWG Duplex URD cable (Delgado) is built for rugged underground performance. Featuring one insulated phase conductor and one neutral, it uses sunlight-resistant XLPE insulation and is rated for both direct burial and duct installations. Built with 1350-H19 Series Aluminum, it provides a high-strength, cost-effective solution for heavy-duty outdoor lighting and residential sub-panel feeds."
This cable is the professional standard for 120V secondary underground power. Its 1350-H19 Series Aluminum Alloy construction and XLP insulation provide a lightweight, corrosion-resistant alternative to copper that is significantly more cost-effective for long trench runs.
600V Power Rating: Delivers consistent performance in wet or dry locations up to 90°C.
Direct Burial Rated: Engineered to be buried directly in the earth without the need for expensive conduit runs.
Sunlight Resistant: The black XLP insulation is UV-stabilized to prevent degradation where the cable is exposed above ground.
Streamlined Installation: The Duplex "configuration is optimized for single-phase 120V circuits, reducing material waste and installation time.
Code Name: Delgado
Conductor Size: #4 AWG
Conductor Material: Stranded 1350-H19 Aluminum Alloy
Configuration: Duplex (1 Insulated Phase, 1 Neutral)
Voltage: 600V
Phase Insulation:Â Black sunlight-resistant XLP (Cross-Linked Polyethylene).
Neutral Insulation:Â Black XLP with 3 extruded yellow stripes for easy identification.
Max Temp: 90°C (Wet/Dry)
Overall Diameter (OD):Â 0.69 inches (17.526 mm)
Ampacity (Direct Burial): 125 Amps
Ampacity (In Duct): 90 Amps
Conductor Material: 1350-H19 Aluminum Alloy
Standards: UL 854 (Type USE-2), ASTM B230, B231, B901, ICEA S-105-692
High-Output Municipal Lighting: The standard for major highway illumination and large parking lot lighting circuits.
Workshop & Large Outbuildings: Ideal for running a high-amperage 120V sub-feed to remote garages, workshops, or barn equipment.
EV Charging (Level 1): Provides a robust dedicated circuit for remote vehicle charging stations.
Agricultural Power: Powering heavy-duty irrigation pumps and automated feeding systems in wet or damp soil conditions.
Technical Note: All values are nominal and subject to industry tolerances and manufacturer corrections. Specifications are subject to change without notice. It is the buyer’s responsibility to verify that all materials meet the specific requirements of the project and comply with local electrical codes.
*All values are nominal and subject to correction. *Ampacity: for 3 cables triplexed, 90°C conductor temperature, 20°C ambient temperature, RHO 90, 100% load factor.
Â
| Wire Size (AWG/MCM) | 4 AWG |
| Conductor Material | Aluminum |
| Conductor Type | Stranded |
| Strand Count | 7 |
| Outer Diameter (OD) (in/mm) | 0.69 In. / 17.526 mm |
| Jacket Type | XLPE |
| Conductor Count | 2 |
| Shield | Unshielded |
| Insulation Type | (XLPE) Cross-Linked Polyethylene |
| Voltage Rating | 600V |
| Ampacity Rating | 125 |
| Direct Burial Rating | Yes |
| Submersible | No |
| Flexibility Rating | Medium |
| Sunlight Resistance Rating | Yes |
| Temperature Rating | 90ºC |
| Standards | ASTM B-230 Aluminum 1350-H19 Wire for Electrical Purposes ASTM B-231 Concentric-Lay-Stranded Aluminum 1350 Conductors ASTM B-609 Aluminum 1350 Round Wire, Annealed and Intermediate Tempers, for Electrical Purposes ASTM B-901 Compressed Round Stranded Aluminum Conductors Using Single Input Wire Construction ICEA S-105-692 600 Volt Single Layer Thermoset Insulated Utility Underground Distribution Cables Federal Specification A-A-59544A UL 854 Service-Entrance Cables Sunlight Resistant RUS Accepted |
| Miscellaneous Information | All values are nominal and subject to correction. *Ampacity: 90°C conductor temperature, 20°C ambient temperature, RHO 90, 100% load factor. Single and Quadruplex based on 3/C. Neutral wire carries unbalanced load only. Reference NEC article 310.15 for NEC installations. |
| Primary Applications | Underground Secondary Power Distribution |
| Common Uses |
|
| Weight per Foot | 0.13 lb |
In-stock orders placed before 3pm EST typically ship within 1-2 business days. Our business days are Monday through Friday; we do not process orders on Saturday, Sunday, or major US Holidays.
You will receive an e-mail with a tracking number within 1-2 business days from the time its shipped. You will also be able to view your order status and tracking numbers in your account order history.
Expedited shipments are delivered Monday-Friday except on US Holidays. The order must be placed before 12pm CST to ship same day ( Mon-Fri Only).
You have 30 days from the day you receive the item to contact us for a return. Returns are subject to a 30% Restocking Fee.
Please contact us at help@wireamerica.com to request a return authorization. Have your order number or name the order was placed with ready and we will email you an RMA (return) number and instructions for return. Currently, we do not offer exchanges. A new order must be placed if you need a different item. If you provide the new order number at the time of your return request, the restocking fee may be lowered.
Orders on any items with a material value of $50 or less are non-returnable.
Parent SKU : DEL-2URD
SKU : DEL-2URD-250
Parent SKU : DEL-2URD
SKU : DEL-2URD-250
"Designed for 600V secondary power distribution, this #4 AWG Duplex URD cable (Delgado) is built for rugged underground performance. Featuring one insulated phase conductor and one neutral, it uses sunlight-resistant XLPE insulation and is rated for both direct burial and duct installations. Built with 1350-H19 Series Aluminum, it provides a high-strength, cost-effective solution for heavy-duty outdoor lighting and residential sub-panel feeds."
This cable is the professional standard for 120V secondary underground power. Its 1350-H19 Series Aluminum Alloy construction and XLP insulation provide a lightweight, corrosion-resistant alternative to copper that is significantly more cost-effective for long trench runs.
600V Power Rating: Delivers consistent performance in wet or dry locations up to 90°C.
Direct Burial Rated: Engineered to be buried directly in the earth without the need for expensive conduit runs.
Sunlight Resistant: The black XLP insulation is UV-stabilized to prevent degradation where the cable is exposed above ground.
Streamlined Installation: The Duplex "configuration is optimized for single-phase 120V circuits, reducing material waste and installation time.
Code Name: Delgado
Conductor Size: #4 AWG
Conductor Material: Stranded 1350-H19 Aluminum Alloy
Configuration: Duplex (1 Insulated Phase, 1 Neutral)
Voltage: 600V
Phase Insulation:Â Black sunlight-resistant XLP (Cross-Linked Polyethylene).
Neutral Insulation:Â Black XLP with 3 extruded yellow stripes for easy identification.
Max Temp: 90°C (Wet/Dry)
Overall Diameter (OD):Â 0.69 inches (17.526 mm)
Ampacity (Direct Burial): 125 Amps
Ampacity (In Duct): 90 Amps
Conductor Material: 1350-H19 Aluminum Alloy
Standards: UL 854 (Type USE-2), ASTM B230, B231, B901, ICEA S-105-692
High-Output Municipal Lighting: The standard for major highway illumination and large parking lot lighting circuits.
Workshop & Large Outbuildings: Ideal for running a high-amperage 120V sub-feed to remote garages, workshops, or barn equipment.
EV Charging (Level 1): Provides a robust dedicated circuit for remote vehicle charging stations.
Agricultural Power: Powering heavy-duty irrigation pumps and automated feeding systems in wet or damp soil conditions.
Technical Note: All values are nominal and subject to industry tolerances and manufacturer corrections. Specifications are subject to change without notice. It is the buyer’s responsibility to verify that all materials meet the specific requirements of the project and comply with local electrical codes.
*All values are nominal and subject to correction. *Ampacity: for 3 cables triplexed, 90°C conductor temperature, 20°C ambient temperature, RHO 90, 100% load factor.
Â
| Wire Size (AWG/MCM) | 4 AWG |
| Conductor Material | Aluminum |
| Conductor Type | Stranded |
| Strand Count | 7 |
| Outer Diameter (OD) (in/mm) | 0.69 In. / 17.526 mm |
| Jacket Type | XLPE |
| Conductor Count | 2 |
| Shield | Unshielded |
| Insulation Type | (XLPE) Cross-Linked Polyethylene |
| Voltage Rating | 600V |
| Ampacity Rating | 125 |
| Direct Burial Rating | Yes |
| Submersible | No |
| Flexibility Rating | Medium |
| Sunlight Resistance Rating | Yes |
| Temperature Rating | 90ºC |
| Standards | ASTM B-230 Aluminum 1350-H19 Wire for Electrical Purposes ASTM B-231 Concentric-Lay-Stranded Aluminum 1350 Conductors ASTM B-609 Aluminum 1350 Round Wire, Annealed and Intermediate Tempers, for Electrical Purposes ASTM B-901 Compressed Round Stranded Aluminum Conductors Using Single Input Wire Construction ICEA S-105-692 600 Volt Single Layer Thermoset Insulated Utility Underground Distribution Cables Federal Specification A-A-59544A UL 854 Service-Entrance Cables Sunlight Resistant RUS Accepted |
| Miscellaneous Information | All values are nominal and subject to correction. *Ampacity: 90°C conductor temperature, 20°C ambient temperature, RHO 90, 100% load factor. Single and Quadruplex based on 3/C. Neutral wire carries unbalanced load only. Reference NEC article 310.15 for NEC installations. |
| Primary Applications | Underground Secondary Power Distribution |
| Common Uses |
|
| Weight per Foot | 0.13 lb |
In-stock orders placed before 3pm EST typically ship within 1-2 business days. Our business days are Monday through Friday; we do not process orders on Saturday, Sunday, or major US Holidays.
You will receive an e-mail with a tracking number within 1-2 business days from the time its shipped. You will also be able to view your order status and tracking numbers in your account order history.
Expedited shipments are delivered Monday-Friday except on US Holidays. The order must be placed before 12pm CST to ship same day ( Mon-Fri Only).
You have 30 days from the day you receive the item to contact us for a return. Returns are subject to a 30% Restocking Fee.
Please contact us at help@wireamerica.com to request a return authorization. Have your order number or name the order was placed with ready and we will email you an RMA (return) number and instructions for return. Currently, we do not offer exchanges. A new order must be placed if you need a different item. If you provide the new order number at the time of your return request, the restocking fee may be lowered.
Orders on any items with a material value of $50 or less are non-returnable.
Get notified when this product is back in stock
Physical Specifications
Technical Specifications
Usage & Installation:
Packaging & Dimensions:
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URD stands for Underground Residential Distribution. It is a specialized electrical cable engineered for secondary power distribution in underground systems.
Despite the name, URD is the industry standard for moving power from a transformer to any structure—including commercial and municipal buildings—via underground trenching.
Key Technical Specs:
Common Configurations:
Single Conductor: A standalone insulated lead used for dedicated neutrals, grounding, or custom multi-wire pulls in conduit.
Duplex: 1 Insulated Conductor + 1 Neutral (120V circuits / Street lighting).
Triplex: 2 Insulated Conductors + 1 Neutral (Standard 240V residential service).
Quadruplex: 3 Insulated Conductors + 1 Neutral (3-Phase commercial service).
Contractors choose URD when they need a durable, moisture-resistant cable that can survive the compression and chemical environment of being underground for decades. It is an excellent choice for utility service drops, irrigation pumps, and outdoor lighting projects.
Yes, Aluminum Duplex URD is specifically engineered for Direct Burial. The conductors are insulated with Cross-Linked Polyethylene (XLPE/XHHW-2), which is highly resistant to moisture, heat, and soil chemicals. While conduit is not required by most codes for the entire run, it is often recommended where the cable emerges from the ground to protect against mechanical damage.
The ampacity for 4 AWG URD Cable is:
Duct / Conduit 90 Amps
Direct Bury 125 Amps
*Ampacity: 90°C conductor temperature, 20°C ambient temperature, RHO 90, 100% load factor. Single and Quadruplex based on 3/C. Neutral wire
carries unbalanced load only. Reference NEC article 310.15 for NEC installations.
It comes down to the requirements of the load. If you are only powering a 120V circuit (like a series of street lights), Duplex is the most cost-effective option because you aren't paying for a second or third insulated conductor that you won't use. For standard 240V home service, you would need Triplex; for 3-phase commercial service, you would need Quadruplex.
We stock a full range of single conductor, duplex, triplex & quadruplex URD cables including 6 AWG URD, 6 AWG URD, 2 AWG URD, 2/0 URD & 250 MCM URD You can browse our complete inventory and view detailed specifications for each size in our Full Aluminum URD Collection here.
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