The last step-down transformer in the electrical-utility distribution system is normally used as the ___

The last step-down transformer in the electrical-utility distribution system is normally used as the service point of the electrical power supply to a building or other structure.

In addition to isolating the building service electrical-power distribution system from the electric utility’s power-grid distribution system, the load-end transformer also limits the amount of available __________ overcurrent that can be delivered to the secondary service conductors.

A) fault
B) All of The answers
C) short-circuit
D) ground-fault

Show Answer

Answer:B

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