“The industry-standard for secondary three-phase residential, farm, and 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 robust, long-term underground performance.”

Why Electricians Choose Wittenberg 2-2-2-2 Quadruplex Aluminum URD

The Wittenberg 2-2-2-2 URD cable is a heavy-duty solution for secondary underground three-phase power distribution. Unlike configurations with a reduced neutral, the Wittenberg features four full-sized #2 AWG conductors. This makes it the ideal choice for applications with significant single-phase loads on a three-phase system, ensuring the neutral can safely handle the return current. By utilizing high-conductivity 1350-H19 aluminum and a heavy-duty, sunlight-resistant XLP insulation, it offers superior resistance to environmental degradation and moisture.

• Full-Neutral Performance: Featuring a full-sized #2 AWG neutral conductor for better handling of unbalanced loads.

• 600V Reliability: Rated for continuous operation in wet or dry locations at temperatures up to 90C.

• Sunlight-Resistant XLP: Advanced cross-linked polyethylene insulation prevents premature aging from UV exposure at service heads.

• Direct Burial Ready: Engineered for underground utility distribution; can be installed directly in the earth or within conduit systems.

Technical Specifications: 2-2-2-2 Aluminum URD

ENGINEERING OVERVIEW: 2-2-2-2 Quadruplex URD

• Application: Three-phase secondary underground distribution; 100A services with unbalanced loads.

• 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.

• Temperature Rating: 90C (Wet or Dry).

• Cable Outer Diameter: 0.97 inches (24.64 mm).

• Ampacity (Direct Burial): 155 Amps.

• Ampacity (In Duct): 115 Amps.

• Compliance Standards: UL 854; Type USE-2; RUS Accepted; ASTM B-230, B-231, B-609, B-901.

Common 2-2-2-2 Aluminum URD Applications

• Commercial 3-Phase Service: Perfect for small retail or office spaces where a 100-Amp 3-phase service is required.

• Unbalanced Load Scenarios: The go-to cable for 3-phase systems that also feed many 120V single-phase circuits (like lighting and office equipment), requiring a full-sized neutral.

• Agricultural Equipment: Ideal for powering farm machinery and processing units that require a stable, high-capacity neutral.

• Site Infrastructure: Used for community centers or shared residential amenities where power demands vary significantly across the three phases.

Technical Note:All values are nominal and subject to industry tolerances and manufacturer corrections. Specifications are subject to change without notice. It is the buyers responsibility to verify that all materials meet the specific requirements of the project and comply with local electrical codes.

Ampacity: 90C conductor temperature, 20C 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.