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Engine: Electricity

Question 1,566 of 1,595

As shown in the alternator protection scheme diagram, what device provides the input to the overcurrent inverse time relay "OCIT", the overcurrent instantaneous trip "OC (inst.)", and the negative phase sequence relay "NPS"?

USCG illustration EL-0067 for Engine Electricity question 1566
Illustration EL-0067
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Appears on the 2026 sample exam for

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