The standard single-phase AC service is normally rated 120/240-volt, 3-wire.
To balance the load current of the 120-volt, 2-wire neutral loads between the two ungrounded busses the phase rotation or arrangement of bus bars in panels, switchboards, or control centers is by column from left to right, and by row from top to bottom.
A) True
B) False
Show Answer
Answer:A
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