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The amperage rating for 500 kcmil (thousand circular mils) wire varies based on the type of insulation and installation conditions. For example, in a typical application using THHN insulation, a 500 kcmil copper wire can carry approximately 380-450 amps at 75°C. However, always refer to the National Electrical Code (NEC) and local regulations for precise ampacity ratings based on specific conditions.

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1mo ago

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