Coast Guard Exams
Question 64Electricity/Electronics - 1st Asst/Chief70% to pass

Using the portable harmonic analyzer shown in figure "A", if the clamp-on test lead is connected as shown in figure "C" of the illustration, what is being measured? Illustration EL-0110

Diagram for question 64
AI Explanation
The correct answer is A) the harmonic content of the current of a single conductor at a service entrance. The illustration shows a portable harmonic analyzer, and when the clamp-on test lead is connected as shown in figure "C", it is measuring the harmonic content of the current in a single conductor, typically at the service entrance. This allows for the analysis of the harmonics present in the current, which is important for understanding power quality and potential issues with non-linear loads. The other options are incorrect because option B measures the harmonic content of a bundle of conductors, option C measures current leakage to hull ground, and option D measures the harmonic content of the voltage, not the current.