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Solid THHN/THWN-2 WireFrom $0.20/ft - Solid THHN/THWN-2 WireFrom $0.20/ft
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Parent SKU : ALURDWB-35K-1/0-1/3
SKU : ALURDWB-35K-1/0-1/3-250
"The utility standard for subdivision power—engineered with tree-retardant XLPE and dual-layer water blocking to eliminate longitudinal moisture failure in underground primary loops."
This 35kV aluminum cable is the reliable choice for underground residential distribution (URD). It is specifically built to survive decades in saturated soil where standard primary cables might fail due to "water treeing."
Advanced Water Block Technology: We utilize water-swellable agents in both the conductor strands and the neutral shield. This acts as a permanent moisture barrier, preventing water from traveling through the cable if the jacket is ever nicked.
Tree-Retardant XLPE (TR-XLPE): The 345-mils of insulation are chemically engineered to resist the growth of "electrochemical trees," significantly extending the life of your underground grid.
Optimized 1/3 Neutral: The 6-strand copper concentric neutral provides the perfect balance of grounding performance and cost-efficiency for balanced three-phase utility systems.
Hard-Drawn Strength: Using 1350-H19 aluminum ensures the cable has the tensile strength to survive long pulls through high-friction conduits without stretching.
Subdivision Laterals: The primary choice for routing power from main feeders to residential transformers.
Commercial Primary Service: Providing 35kV power to shopping centers, hospitals, and office parks.
Renewable Energy Collection: Connecting solar inverters or wind turbines to a central substation.
ENGINEERING OVERVIEW: 1/0 AWG SUBDIVISION LATERAL The 1/0 35kV URD is the industry standard for underground lateral primary distribution. This specific gauge is optimized for residential subdivisions and commercial perimeter power where high-strength aluminum 1350-H19 conductors provide a cost-effective, long-life solution. Featuring dual-layer water-block protection and a 1/3 concentric neutral, it is designed for direct burial in high-watertable environments.
APPLICATION: Aluminum Conductor MV-105 35kV water-blocked URD cable is primarily used for primary underground power distribution. It is suitable for use in wet or dry locations, installed in underground ducts or via direct burial.
CONDUCTORS: 1/0 Compact or compressed aluminum 1350-H19 in Class B stranding per ASTM B231 or B609.
CONDUCTOR WATER BLOCK: Interstitial spaces between conductor strands are filled with a water-blocking compound to prevent longitudinal moisture migration.
CONDUCTOR SHIELD: Extruded thermosetting semi-conducting polymer layer providing a smooth interface with the insulation to minimize electrical stress.
INSULATION: TR-XLPE (Tree-Retardant Cross-Linked Polyethylene) in 100% insulation level (345 Mils). TR-XLPE is specifically formulated to inhibit the growth of electrochemical "trees" that cause premature cable failure in damp conditions.
INSULATION SHIELD: Extruded thermosetting semi-conducting polymer, designed for easy stripping during termination while maintaining consistent contact with the neutral.
CONCENTRIC NEUTRAL WATER BLOCK: Water-swellable powder applied between the insulation shield and the concentric neutral wires to provide a secondary barrier against moisture ingress.
CONCENTRIC NEUTRAL: 6 x #14 AWG Annealed bare copper wires helically applied over the insulation shield, providing a 1/3 neutral conductivity relative to the center conductor.
JACKET: Sunlight resistant XLPE, black with three red stripes.
INDUSTRY STANDARDS & COMPLIANCE:
UL 1072: Listed as Type MV-105
ICEA S-94-649: Standard for Concentric Neutral Cables Rated 5 through 46kV
AEIC CS8: Specifications for shielded power cables rated 5 through 46kV
Temperature Ratings: 105°C (Normal), 140°C (Emergency), 250°C (Short Circuit)
CABLE MARKING: PRIORITY WIRE AL TR-XLPE 35KV 100% INSUL LEVEL 345 MILS (UL) E364254 TYPE MV-105 XLPE WB SUN RES.
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.
| Wire Size (AWG/MCM) | 1/0 |
| Conductor Material | Aluminum |
| Conductor Type | Stranded |
| Outer Diameter (OD) (in/mm) | 1.55 in. / 39.37 mm |
| Jacket Type | XLPE |
| Conductor Count | 1 |
| Shield | Shielded |
| Insulation Type | TR-XLPE |
| UL Listing Numbers | UL 1072 |
| Voltage Rating | 35kV |
| Direct Burial Rating | Yes |
| Submersible | No |
| Sunlight Resistance Rating | Yes |
| Temperature Rating | 105ºC |
| Standards | ASTM B230 Aluminum 1350–H19 Wire for Electrical Purposes ASTM B231 Concentric-Lay-Stranded Aluminum 1350 Conductors ASTM B400 Compact Round Concentric-Lay-Stranded Aluminum 1350 Conductors ASTM B3 Soft or Annealed Copper Wire UL 1072 Medium-Voltage Power Cables ICEA S-94-649 Concentric Neutral Cables Rated 5 Through 46KV AEIC CS8 Extruded Dielectric, Shielded Power Cables Rated 5 Through 46KV For 105°C continuous, 140°C emergency overload and 250°C short-circuit operation |
| Miscellaneous Information | All values are nominal and subject to correction. |
| Weight per Foot | 0.888 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.
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Physical Specifications
Technical Specifications
Packaging & Dimensions:
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Under standard conditions (90°C conductor, 20°C earth temperature, and 90 RHO soil resistivity), the ampacity for 1/0 AWG Aluminum is approximately 170 Amps when direct buried and 145 Amps when installed in an underground duct.
⚠️ CUSTOMER WARNING: Actual ampacity must be calculated based on your specific project conditions, including soil thermal resistivity (RHO), burial depth, duct bank configuration, and load factor per NEC Article 311. Consult a licensed electrical engineer for final system design.
The approximate outside diameter for this cable is between 0.90 and 1.00 inches. For a single cable, a 2-inch conduit is standard. For a triplex installation (three cables twisted together), a 2.5-inch conduit is common, though a 3-inch conduit is often preferred for longer pulls. This extra space ensures you stay well under the 40% fill limit, reducing the risk of friction-related damage to the jacket during installation.
Even in smaller conductor sizes like 1/0, moisture remains the primary threat to the longevity of medium-voltage cables. This cable features swellable water-blocking agents within the conductor strands that expand instantly upon contact with moisture. This creates a physical dam that prevents water from traveling longitudinally through the conductor. This is a critical defense against "water treeing," a process where moisture migrates into the 35kV insulation and creates microscopic, tree-like fractures that eventually lead to a catastrophic electrical blowout.
The 1/3 Neutral indicates that the copper concentric wires provide a total cross-sectional area equal to one-third of the 1/0 aluminum phase conductor. This is the industry-standard balance for three-phase primary distribution. It provides a reliable return path for fault current and grounding while keeping the cable profile smaller and more flexible than a full-neutral alternative. This smaller footprint makes 1/0 a popular choice for light-duty utility loops and residential tapping.
To protect the integrity of the 345-mil insulation and the internal semiconductive shields, you must adhere to the following limits:
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