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Solid THHN/THWN-2 WireFrom $0.20/ft -
Solid THHN/THWN-2 WireFrom $0.20/ft - Solid THHN/THWN-2 WireFrom $0.20/ft
- Solid THHN/THWN-2 WireFrom $0.20/ft
Parent SKU : ERS-3URD
SKU : ERS-3URD-250
"The industry-standard for residential, farm, and light commercial power distribution. Engineered for reliable 600V delivery, this cable is rated for both direct burial and duct installations, featuring sunlight-resistant XLP insulation for long-term underground performance."
The 6-6-6 Erskine Aluminum URD cable is the benchmark for secondary underground residential power distribution. Engineered to meet the rugged demands of direct burial, it provides a stable, long-term solution for moving power from the transformer to the service entrance. By utilizing high-conductivity 1350-H19 aluminum and a sunlight-resistant cross-linked polyethylene (XLP) insulation, it offers superior resistance to environmental degradation and moisture ingress.
600V Reliability: Rated for continuous operation in wet or dry locations at temperatures up to 90°C.
Sunlight-Resistant XLP: Advanced cross-linked polyethylene insulation prevents premature aging caused by UV exposure, ensuring durability at the service entrance.
Easy-Identify Neutral: For faster installation and safer maintenance, the neutral conductor features three extruded yellow stripes and clear sequential footage markings.
Direct Burial Ready: Specifically built for the harsh conditions of underground utility distribution; can be installed directly in the earth or within conduit/duct systems.
Application: Secondary underground distribution circuits; transformer-to-service-entrance power feeds.
Voltage Rating: 600 Volts.
UL Listing: UL 854 (Service-Entrance Cable).
Conductor Material: Concentric stranded 1350-H19 series aluminum.
Phase Insulation: Black sunlight-resistant XLP (Cross-Linked Polyethylene).
Neutral Insulation: Black XLP with 3 extruded yellow stripes for easy identification.
Temperature Rating: 90°C (Wet or Dry).
Cable Outer Diameter: 0.64 inches (16.26 mm).
Ampacity (Direct Burial): 95 Amps.
Ampacity (In Duct): 70 Amps.
Compliance Standards: UL 854 (Service-Entrance Cable); Type USE-2; RUS Accepted; ASTM B-230, B-231, B-609, B-901; ICEA S-105-692; Federal Spec A-A-59544A.
Residential Service Entrances: Standard power feed for new home construction and service upgrades.
Underground Secondary Distribution: Reliable power delivery from utility-side transformers to residential loads.
Farm & Light Commercial: Proven performance for sub-panel feeds, outbuilding power, and small-scale commercial site lighting.
Direct Burial or Conduit: Versatile enough for direct-trench installation or pull-through duct/conduit runs.
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.
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.
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| Wire Size (AWG/MCM) | 6 AWG |
| Conductor Material | Aluminum |
| Conductor Type | Stranded |
| Strand Count | 7 |
| Outer Diameter (OD) (in/mm) | 0.64 in. / 16.256 mm |
| Jacket Type | XLPE |
| Conductor Count | 3 |
| Shield | Unshielded |
| Insulation Type | (XLPE) Cross-Linked Polyethylene |
| Voltage Rating | 600V |
| Ampacity Rating | 95 |
| 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. *Actual number of wires may differ for compressed round stranded aluminum conductors using single input wire (SIW) **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 | 0.143 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 : ERS-3URD
SKU : ERS-3URD-250
Parent SKU : ERS-3URD
SKU : ERS-3URD-250
"The industry-standard for residential, farm, and light commercial power distribution. Engineered for reliable 600V delivery, this cable is rated for both direct burial and duct installations, featuring sunlight-resistant XLP insulation for long-term underground performance."
The 6-6-6 Erskine Aluminum URD cable is the benchmark for secondary underground residential power distribution. Engineered to meet the rugged demands of direct burial, it provides a stable, long-term solution for moving power from the transformer to the service entrance. By utilizing high-conductivity 1350-H19 aluminum and a sunlight-resistant cross-linked polyethylene (XLP) insulation, it offers superior resistance to environmental degradation and moisture ingress.
600V Reliability: Rated for continuous operation in wet or dry locations at temperatures up to 90°C.
Sunlight-Resistant XLP: Advanced cross-linked polyethylene insulation prevents premature aging caused by UV exposure, ensuring durability at the service entrance.
Easy-Identify Neutral: For faster installation and safer maintenance, the neutral conductor features three extruded yellow stripes and clear sequential footage markings.
Direct Burial Ready: Specifically built for the harsh conditions of underground utility distribution; can be installed directly in the earth or within conduit/duct systems.
Application: Secondary underground distribution circuits; transformer-to-service-entrance power feeds.
Voltage Rating: 600 Volts.
UL Listing: UL 854 (Service-Entrance Cable).
Conductor Material: Concentric stranded 1350-H19 series aluminum.
Phase Insulation: Black sunlight-resistant XLP (Cross-Linked Polyethylene).
Neutral Insulation: Black XLP with 3 extruded yellow stripes for easy identification.
Temperature Rating: 90°C (Wet or Dry).
Cable Outer Diameter: 0.64 inches (16.26 mm).
Ampacity (Direct Burial): 95 Amps.
Ampacity (In Duct): 70 Amps.
Compliance Standards: UL 854 (Service-Entrance Cable); Type USE-2; RUS Accepted; ASTM B-230, B-231, B-609, B-901; ICEA S-105-692; Federal Spec A-A-59544A.
Residential Service Entrances: Standard power feed for new home construction and service upgrades.
Underground Secondary Distribution: Reliable power delivery from utility-side transformers to residential loads.
Farm & Light Commercial: Proven performance for sub-panel feeds, outbuilding power, and small-scale commercial site lighting.
Direct Burial or Conduit: Versatile enough for direct-trench installation or pull-through duct/conduit runs.
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.
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.
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| Wire Size (AWG/MCM) | 6 AWG |
| Conductor Material | Aluminum |
| Conductor Type | Stranded |
| Strand Count | 7 |
| Outer Diameter (OD) (in/mm) | 0.64 in. / 16.256 mm |
| Jacket Type | XLPE |
| Conductor Count | 3 |
| Shield | Unshielded |
| Insulation Type | (XLPE) Cross-Linked Polyethylene |
| Voltage Rating | 600V |
| Ampacity Rating | 95 |
| 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. *Actual number of wires may differ for compressed round stranded aluminum conductors using single input wire (SIW) **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 | 0.143 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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This cable is engineered for secondary underground distribution circuits. Its primary applications include:
URD stands for Underground Residential Distribution. This cable is specifically engineered for direct burial, meaning you can place it in a trench without conduit (provided you follow local burial depth codes). It is rated for 600 Volts and is rugged enough to withstand the chemical and physical stresses of being surrounded by soil and moisture.
We stock a comprehensive range of URD cable configurations to meet residential, farm, and commercial power needs. This includes , Vassar (4-4-4), Stephens (2-2-4), Ramapo (2-2-2), Brenau (1/0-1/0-2), Converse (2/0-2/0-1), and Sweetbriar (4/0-4/0-2/0). You can browse our complete inventory and view detailed specifications for each gauge in our Full Aluminum URD Collection here.
Absolutely. While rated for direct burial, it can also be installed in conduit or ducting. Note: Please refer to the Technical Specifications above for ampacity derating—installation in a duct generally reduces the cable's current-carrying capacity (from 95A to 70A) due to reduced heat dissipation.
The configuration choice depends on your electrical system's phase requirements. Triplex (two phase conductors and one neutral) is the industry standard for 120/240V residential service. Quadruplex (three phase conductors and one neutral) is specifically used for 3-phase applications. To see the full range of configurations available for your project, you can compare all of our options in our Full Aluminum URD Collection here.
For 6-6-6 Erskine Triplex, the ampacity depends on the installation method:
Note: Always refer to NEC 310.15 or consult a licensed electrician to verify derating requirements based on your local environment.
No. URD cable is designed for direct burial or conduit-enclosed installation, typically from a pole or transformer. It is not suitable for use inside a house, attic, or garage because it does not meet the necessary flame-retardant standards for interior wiring.
The triplex configuration—which consists of two insulated phase conductors and one neutral conductor cabled together—is optimized for efficiency and installation speed. By cabling the conductors together, it allows for a single, consolidated pull through a trench or conduit, rather than managing three separate cables. The neutral conductor also acts as a structural support member, simplifying the installation at the service entrance.
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