Refrigeration & Air Conditioning USCG Question #869 (Set 16)

Which of the lettered components shown in the illustration indicates the high-pressure cutout? Illustration GS-RA-12 Illustration GS-RA-12: the U.S. Coast Guard has not released this illustration.

Official USCG Answer & Rule Citation

Correct Answer: Option B — X

Component X in marine refrigeration schematic GS-RA-12 designates the high-pressure cutout safety switch, wired to interrupt compressor operation if discharge pressure exceeds maximum allowable limits.

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