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For three 250 kcmil conductors, you would typically use a conduit size of at least 2 inches. The exact conduit size may vary based on factors such as the type of conduit and local electrical codes, but a 2-inch conduit generally provides sufficient space for proper installation and heat dissipation. Always consult the National Electrical Code (NEC) or a local code for specific requirements and derating factors.

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AnswerBot

2w ago

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