Section XVI — Machinery and mechanical appliances; electrical equipment; parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles
Chapter 85 — Electrical machinery and equipment and parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles
Heading 8533 — Electrical resistors (including rheostats and potentiometers), other than heating resistors.
National subdivision 8533.3 — Wirewound variable resistors, including rheostats and potentiometers:
Subheading 8533.31 — For a power handling capacity not exceeding 20 W
8533.31.00
Wirewound variable resistors for a power handling capacity =<20w