Section 16 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 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 85 04 Electrical transformers, static converters and inductors 85 04 31 Ring current transformers with a voltage rating not exceeding 220 kV 85 04 31 21 Ring current transformers with a voltage rating not exceeding 220 kV Commodity Code Description 85 04 31 21 00 Ring type current transformers with a voltage rating not exceeding 220 kV