General Subjects (Auxiliaries & Systems) USCG Question #1802 (Set 28)

Which of the following illustrations represents the proper method of circuit grounding for a low level analog signal cable? Illustration EL-0124

USCG Exam Illustration EL-0124
USCG Examination Diagram: Illustration EL-0124
Official USCG Answer & Rule Citation

Correct Answer: Option A — A

Proper grounding of low-level analog signal cables is vital to prevent electromagnetic interference and ground loops. Illustration A demonstrates the correct single-point grounding technique, which ensures the shield drains noise to the ground without creating a current path through the signal conductors themselves, maintaining signal integrity.

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