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Hi, happy to help! 6 AWG copper THHN is rated for about 65 amps at 75°C (and up to 75 amps at 90°C, depending on terminal ratings). If we can help in any other way, please reach out to us at consumersupport@southwire.com.
Was this Answer Helpful ? 65 amps in the 75C column of Table 310.16 of the NEC.
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