Which of the illustrated motors has an open, drip-proof (ODP) motor enclosure? EL-0001
Official USCG Answer & Rule Citation
Correct Answer: Option C — C
An open, drip-proof (ODP) enclosure features ventilation openings constructed so drops of liquid falling at any angle up to 15 degrees from vertical cannot enter directly. Diagram C clearly displays this specific frame baffling configuration detailed in IEEE 45 standards.
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