Si se diseña un cable de instrumentación o alarma contra incendios con un sistema apantallado, ¿qué debe hacerse para que el cable de drenaje resulte efectivo?
a. Conectar a tierra sólo un extremo.
b. Cubrirlo con cinta en ambos extremos.
c. Terminarlo en un conductor neutro.
d. Energizarlo.
a. Conectar a tierra sólo un extremo.
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