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? EL-0110

Correct Answer: Option A — the harmonic content of the current of a single conductor at a service entrance

Clamp-on harmonic analyzers utilize current transformers to measure magnetic fields surrounding a conductor. By encircling a single conductor, the device captures the total current waveform, allowing for the isolation and analysis of harmonic distortion components present in that specific circuit path, as per standard electrical diagnostic procedures.