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 Other : Step up/down transformers; slide regulators 85 04 31 93 Other : Step up/down transformers; slide regulators Commodity Code Description 85 04 31 93 00 Step up/down transformers; slide regulators