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To determine the appropriate cable size for a 320 kW three-phase system with a current of 444 amps per phase, you must consider factors such as the type of insulation, installation method, and ambient temperature. Generally, for a typical installation using copper conductors, a cable size of 95 mm² would be suitable for this current rating, ensuring it can handle the load with a margin for safety. Additionally, it's crucial to consult local electrical codes and standards, as they may dictate specific requirements for cable sizing and installation practices. Always consider factors like voltage drop and derating due to temperature or bundling when selecting the final cable size.

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1mo ago

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