Product Information

Specification

250 MCM Hofstra Single Aluminum Conductor Underground Direct Burial 600V URD

Allowable Ampacity for 250 Hofstra Single Aluminum Conductor Underground Direct Burial 600V URD: 320 Amps

Applications:

The Aluminum 600V URD is designed to serve in the secondary distribution circuits for power. In these secondary circuits, the electrical cable is installed in duct or direct burial applications. Due to its versatility, conductor strength, and insulation integrity, it works well for these outdoor applications. It is also used in wet and dry places since the cable has a maximum operating temperature of 90°C. The electrical cable is also designed to provide an option of pre-pulling into ducts.

Also Known As:

250 hofstra aluminum urd cable, 250 hofstra urd direct burial cable, 250 hofstra direct burial electrical cable, 250 hofstra direct burial power cable, 250 hofstra aluminum direct burial cable, 250 hofstra single conductor wire, 250 hofstra southwire urd.

Standards:

Aluminum 600V URD is approved to meet design, production and application standards. The following are some of the standard it has met:

• Approved by ICEA S-105-692

• ASTM B-609

• ASTM B-230

• Accepted by RUS

Construction

Conductors:

This is an aluminum conductor cable. The conductor is designed in two forms: either concentric strand or compressed. The stranded type tends to be more flexible compared to the compressed series of aluminum conductors. The 1350-H19 series of compressed aluminum conductors are suitable for applications where flexibility is overlooked and cable rigidity is guaranteed.

Insulation:

Aluminum 600V URD cable has black resistant cross-linked polyethylene (XLP) insulation. The conductors are normally cabled together with XLP insulated aluminum ground or bare copper ground and covered with reinforced binder tape. XLP insulation is tough and resistant to impact, abrasion, chemicals, acids, oils, industrial solvents, and changes in weather.

Specifications:

• Conductor size: 250

• Nominal Insulation (mils): 95

• Approx. O.D. Inches: 0.732

• Estimated Weight lbs./1000ft: 234

• Total Weight lb/1000FT: 314 lbs

• Ampacity: 320 Amps

*Data provided on this page is subject to change based on different manufacturers' variances

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