8533.39.00.80 - Other

This HTS classification, 8533.39.00.80, covers "Other" wirewound variable resistors, including rheostats and potentiometers, that do not fall under more specific subheadings within the 8533.39 category. These devices are designed to vary electrical resistance, commonly used for controlling voltage or current in electronic circuits. Unlike the sibling category specifically for dimmers, this classification encompasses a broader range of wirewound variable resistors employed in various applications beyond lighting control.

The key characteristic distinguishing this category is its residual nature. If a wirewound variable resistor, rheostat, or potentiometer is not explicitly designed or primarily used as a dimmer, it will likely be classified here. Examples include potentiometers used for calibration, gain adjustment in audio equipment, or position sensing, as well as rheostats used for motor speed control or as adjustable loads. The absence of subcategories indicates that further subdivision based on specific features or materials is not performed at this level within the HTS.