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This is quadruplex aluminum URD cable for underground secondary distribution: three 4/0 phase conductors and a 2/0 neutral, rated 600V. It is rated 290 amps in direct burial and 225 amps in duct, with XLPE insulation and a 90°C maximum conductor temperature for wet or dry locations. It suits service entrances, outbuildings, and utility runs where aluminum's lower cost and weight beat copper. It is a specialized utility product rather than a general-purpose wire, so check local code and the lugs you will use.
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Rated 4.9 out of 5 across 94 ratings, buyers are consistently satisfied. They describe it as the expected gauge and construction, arriving as ordered and working for underground service runs.
This quadruplex URD cable has three 4/0 aluminum conductors and one 2/0 aluminum neutral. It is rated 600V and made for secondary power distribution in underground electrical systems. It can be direct buried or installed in duct.
The conductors are 1350-H19 series aluminum, either concentric strand or compressed. They are cabled together and printed on the surface for identification. The neutral conductor has a yellow stripe. Black cross-linked polyethylene (XLPE) insulation is watertight and resists corrosive substances, oil, heat and flame. It suits harsh conditions such as direct burial.
The cable is rated for a maximum operating temperature of 90°C in wet and dry locations. It is used for low to medium-load secondary distribution in residential, utility and light commercial settings. Examples include service meters, small commercial buildings, townhouses, manufactured home communities, street lighting circuits and construction site power. A pre-pulled duct option is available.