SC Burglar Alarm Practice Questions - South Carolina Burglar Alarm Contractor Examination Exam

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A 10 AWG copper THWN conductor is installed in a raceway at 75°C with not more than three current-carrying conductors. Which statement is correct under the 2020 NEC?

Table 310.16 ampacity is 30 A, and 240.4(D) also limits the overcurrent device to 30 A Table 310.16 ampacity is 35 A, but 240.4(D) generally limits the overcurrent device to 30 A Table 310.16 ampacity is 40 A, so a 40 A breaker is always permitted Table 310.16 ampacity is 25 A in every temperature column

Correct Answer:

Table 310.16 ampacity is 35 A, but 240.4(D) generally limits the overcurrent device to 30 A

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