Marine Electrical Systems USCG Question #865 (Set 29)

What application would the switchboard instrumentation panel shown in the illustration best be suited for? EL-0040

Official USCG Answer & Rule Citation

Correct Answer: Option A — main AC generator

A main AC generator switchboard instrumentation panel features instruments specifically required for alternating current generation and paralleling. Per IEEE 45 and 46 CFR Subchapter J, these include AC voltmeters, ammeters, frequency meters, wattmeters, power factor meters, and synchronizing equipment necessary to monitor and control ship service AC turbine or diesel generators.

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