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Physical Specifications
Technical Specifications
Usage & Installation:
Packaging & Dimensions:
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This 4/0 AWG (pronounced "four-aught"), 3-conductor assembly is a heavy-capacity feeder cable commonly used for 200A to 225A residential and commercial services. It is the industry standard for main service laterals, underground feeders to sub-panels, and large HVAC equipment loads. The XHHW-2 rating allows for installation in conduit in both wet and dry locations, making it exceptionally reliable for burial in outdoor environments.
Priority-Plex® is a specialized manufacturing process where the three conductors are pre-twisted (cabled) together at the factory.
At this size, aluminum is the most cost-effective choice for heavy power distribution. Copper at 4/0 gauge is extremely heavy and significantly more expensive.
According to NEC Table 310.16, the ampacity for 4/0 Aluminum depends on the temperature rating of your equipment terminations:
⚠️ PRO TIP: Most modern main breakers and panels are rated for 75°C. Therefore, in most commercial applications, this cable is treated as a 180 Amp feeder. However, for residential service entrance applications (120/240V, single-phase), NEC 310.12 allows this gauge to be used for 225A services (using the 83% rule), provided it carries the entire load of the dwelling.
This assembly follows the standard 120/240V or 120/208V color code:
The colors are either fully impregnated into the XLPE insulation or clearly striped for permanent, high-visibility identification that won't rub off during a long or difficult pull.
Yes we offer XHHW-2 Aluminum Wire in a single conductor from 14 AWG to 1000 MCM in multiple colors by the foot. Shop our single conductor XHHW-2 Collection here.
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