| 8533.31.00 | 00 | Wirewound variable resistors, including rheostats and potentiometers: | | | | |
| 8533.40 | | Other variable resistors, including rheostats and potentiometers: | | | | |
| 8533.40.40 | 00 | Metal oxide varistors | No. | Free | | 35% |
| 8533.90.40 | 00 | For the goods of subheading 8533.40, of ceramic or metallic materials, electrically or mechanically reactive to changes in temperature | X | Free | | 35% |
| 8534.00.00 | | Printed circuits | | Free | | 35% |
| 8534.00.00 | 20 | With 3 or more layers of conducting materials | No. | | | |
| 8535 | | Electrical apparatus for switching or protecting electrical circuits, or for making connections to or in electrical circuits (for example, switches, fuses, lightning arresters, voltage limiters, surge suppressors, plugs and other connectors, junction boxes), for a voltage exceeding 1,000 V: | | | | |
| 8535.90.80 | 20 | Terminals, electrical splices and electrical couplings | No. | | | |
| 8536 | | Electrical 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 V; connectors for optical fibers, optical fiber bundles or cables: | | | | |
| 8536.10.00 | 20 | Glass cartridge | No. | | | |
| 8536.30 | | Other apparatus for protecting electrical circuits: | | | | |
| 8536.50.70 | 00 | Electronic AC switches consisting of optically coupled input and output circuits (insulated thyristor AC switches); electronic switches, including temperature protected switches, consisting of a transistor and a logic chip (chip-on-chip technology); electromechanical snap-action switches for a current not exceeding 11 amps | No. | Free | | 35% |
| 8536.69.40 | | Coaxial connectors; cylindrical multicontact connectors; rack and panel connectors; printed circuit connectors; ribbon or flat cable connectors | | Free | | 35% |
| 8536.69.40 | 20 | Cylindrical multicontact connectors | No. | | | |
| 8536.69.40 | 40 | Printed circuit connectors | No. | | | |
| 8536.90.40 | 00 | Terminals, electrical splices and electrical couplings; wafer probers | X | Free | | 35% |
| 8536.90.80 | 10 | Electrical distribution ducts | X | | | |
| 8537 | | Boards, 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: | | | | |
| 8537.10.90 | 30 | Numerical controls for controlling machine tools | No. | | | |
| 8537.10.90 | 50 | Panel boards and distribution boards | No. | | | |
| 8538 | | Parts suitable for use solely or principally with the apparatus of heading 8535, 8536 or 8537: | | | | |
| 8538.90.10 | 00 | Printed circuit assemblies: | | | | |
| 8538.90.10 | 00 | Of an article of heading 8537 for one of the articles described in additional U.S. note 11 to chapter 85 | X | Free | | 35% |
| 8538.90.40 | 00 | Other, for the articles of subheading 8535.90.40, 8536.30.40 or 8536.50.40, of ceramic or metallic materials, electrically or mechanically reactive to changes in temperature | X | 3.5% | Free (A,AU,B,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 35% |
| 8538.90.80 | 60 | Other parts of switchgear, switchboards, panel boards and distribution boards | X | | | |
