On the electrical one line diagram shown in the illustration, what statement is true concerning the illustrated battery charger switching arrangements? See illustration EL-0014.

Question

Accepted Answer

Depending upon the switch position, at any given time, one battery is on charge from the battery charger and the other battery is on service delivering DC power to the 24 V interior communications bus.

Answer

In an emergency, the battery charger source voltage is from the 24 V interior communications bus.

Answer

It is possible to configure the charger to charge the same battery that is connected to the 24 V interior communications bus.

Answer

The battery charger receives AC power from the 120 VAC section of the emergency section only when the electric plant is in the emergency mode of operation.

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