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For a distance of 450 feet, you would need, 2 sets of #4/0 (parallel 6 conductors) for aluminum, or 1 set of #350 copper.
80% loading of service and a 3% voltage drop.
Consult your local power company for exact requirements of their codes.

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9mo ago

For a 450' run with a 200 amp service, you will need to use at least 3/0 AWG copper wire for direct burial to ensure minimal voltage drop and to meet electrical code requirements. Always consult with a licensed electrician or local building code authority for specific guidance on wire size and installation requirements for your project.

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Q: 450' run with 200 amp service what size wire direct bury?
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