| 8536.41.00 | 20 | With contacts rated at less than 10 A: | | | | |
| 8536.41.00 | 20 | Electromechanical | No. | | | |
| 8536.41.00 | 45 | Contactors | No. | | | |
| 8536.41.00 | 50 | Electromechanical | No. | | | |
| 8536.49.00 | 50 | With contacts rated at less than 10 A: | | | | |
| 8536.49.00 | 50 | Electromechanical | No. | | | |
| 8536.49.00 | 65 | Contactors | No. | | | |
| 8536.49.00 | 75 | Electromechanical | No. | | | |
| 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% |
| 8536.50.90 | 31 | Momentary contact | No. | | | |
| 8536.50.90 | 40 | Snap-action, other than limit | No. | | | |
| 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 | 30 | Rack and panel connectors | No. | | | |
| 8536.70.00 | 00 | Connectors for optical fibers, optical fiber bundles or cables | X | Free | | 45% |
| 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: | | | | |
| 8537.10.30 | 00 | Assembled with outer housing or supports, for the goods of headings 8421, 8422, 8450 or 8516 | X | 2.7% | Free (A,AU,B,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 35% |
| 8537.10.90 | 30 | Numerical controls for controlling machine tools | No. | | | |
| 8537.10.90 | 60 | Programmable controllers | No. | | | |
| 8538 | | Parts suitable for use solely or principally with the apparatus of heading 8535, 8536 or 8537: | | | | |
| 8538.10.00 | 00 | Boards, panels, consoles, desks, cabinets and other bases for the goods of heading 8537, not equipped with their apparatus | X | 3.7% | Free (A,AU,B,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 35% |
| 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% |