HSN CodeHSN Description

8536Electrical apparatus for switching or protecting electrical circuits, or for making connections to or in electrical circuits (for example, switches, relays, fuses, surge suppressors, plugs, sockets, lamp-holders and other connectors, junction boxes), for a voltage not exceeding 1,000 volts: connectors for optical fibres, optical fiber bundles or cables.

8537Boards, panels, consoles desks, cabinets and other bases, equipped with two or more apparatus of heading 8535 or 8536, for electric control or the distribution of electricity, including those incorporating instruments or apparatus of chapter 90, and numerical control apparatus, other than switching apparatus of heading 8517

8538Parts suitable for use solely or principally with the apparatus of headings 8535, 8536 or 8537