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For 30-A, 240-V large appliances, which wire gauge is the minimum requirement?

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10

For 30-A, 240-V large appliances, the minimum wire gauge required is 10. This requirement is based on the National Electrical Code (NEC) which outlines specific guidelines to safely handle current loads for various applications.

The reason 10-gauge wire is specified is due to its ability to carry the necessary current without overheating. It can handle up to 30 amps safely, which is ideal for appliances such as electric ranges, dryers, and other high-load appliances. Using a wire that is too small, such as 12 or 14 gauge, could lead to overheating and potential fire hazards because these gauges are not designed to handle the same current capacity as 10-gauge wire.

Choosing the proper gauge wire is crucial for safety and efficiency, ensuring that devices operate as intended without risk of damage or danger. Therefore, 10-gauge wire is the correct choice for installations requiring a 30-A, 240-V circuit.

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