A 480/120 VAC step down control transformer as configured in figure "E" of the illustration produces 89 VAC across its secondary winding (across X1 and X2) with 480 VAC applied to the primary winding (across H1 and H2). What condition is indicated? Illustration EL-0123
Official USCG Answer & Rule Citation
Correct Answer: Option A — A few shorted turns in the secondary winding
Under USCG National Maritime Center examination standards, the accepted correct answer is: A few shorted turns in the secondary winding.
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