Se necesita una longitud mínima de _____ para un cable flexible de aparato utilizado con el fin de conectar una caja de empalmes montada encima de un falso techo a un aparato instalado en un falso techo.

a. 12" (30,48 cm)
b. 18" (45,72 cm)
c. 36" (91,44 cm)
d. 60" (152,40 cm)


b. 18" (45,72 cm)

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