9902.17.41 - Output-only signal generators, each with configurable phases and harmonics designed for calibrating power and energy equipment, the foregoing without a recording device (provided for in subheading 9030.89.01).

HTS Code 9902.17.41 specifically covers output-only signal generators engineered for the calibration of power and energy equipment. These devices are characterized by their ability to produce configurable phases and harmonics, essential for accurately testing the performance of power and energy measurement instruments. Crucially, these signal generators are excluded from this classification if they incorporate a recording device, as such units are provided for under subheading 9030.89.01.

Given that this HTS code falls under Chapter 99, which deals with temporary legislation and special provisions, it is distinct from the permanent HTS classifications that begin with numerical chapters for goods. Therefore, direct sibling comparisons at this level are not within the scope of standard product categories but rather reflect specific legislative or trade agreement provisions. The nature of goods under Chapter 99 is driven by policy and temporary measures, not by inherent product characteristics as seen in Chapters 1-97.

As HTS Code 9902.17.41 represents a leaf node within the HTS database, there are no further subcategories. Classification under this specific code is definitive once the described product's characteristics, particularly the absence of a recording device, are confirmed. Importers and exporters should meticulously review the technical specifications of their signal generators to ensure they precisely match the description provided, avoiding misclassification into subheadings designated for recording equipment.