Marine Electrical Systems USCG Question #462 (Set 16)

A digital multimeter is set up as an ohmmeter on the 1 kohm scale. What does a display reading of 'OL' ohms as read across the ends of a wire conductor indicate?

Official USCG Answer & Rule Citation

Correct Answer: Option B — open circuit

An 'OL' display on a digital ohmmeter signifies 'over limit' or open-loop resistance, indicating a complete break or open circuit in the tested wire conductor.

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