What is the derated ampacity of (7) - 10 AWG THHN copper conductors in a raceway? a. 20 amps b. 21 amps c. 24 amps d. 28 amps
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According to the National Electrical Code (NEC) Table 310.16, the base ampacity for a 10 AWG THHN copper conductor at 75°C is 35 amps. Show more…
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