Services & DistributionPregunta 42 de 110
A conductor has an allowable ampacity of 115 A, which is not a standard rating. Under the next-standard-size rule (600 A or less), what is the largest permitted overcurrent device?
a.110 A
b.125 A
c.150 A
d.100 A
Explicación
When ampacity does not match a standard rating and conditions are met, the next higher standard device (125 A) is permitted for 800-A or smaller circuits.
Referencia Legal: 2023 NEC 240.4(B)Practica las 110 preguntas gratis — sin registro.
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