| 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% |
| 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 | | For a voltage not exceeding 1,000 V: | | | | |
| 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. | | | |
| 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 | 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% |
| 8539 | | Electrical filament or discharge lamps, including sealed beam lamp units and ultraviolet or infrared lamps; arc lamps; parts thereof: | | | | |
| 8539.10.00 | 10 | For the vehicles of subheading 8701.20 or heading 8702, 8703, 8704, 8705 or 8711 | No. | | | |
| 8539.10.00 | 50 | For the vehicles of subheading 8701.20 or heading 8702, 8703, 8704, 8705 or 8711 | No. | | | |
| 8539.21 | | Other filament lamps, excluding ultraviolet or infrared lamps: | | | | |
| 8539.21.20 | 40 | For the vehicles of subheading 8701.20 or heading 8702, 8703, 8704, 8705 or 8711 | No. | | | |
| 8539.22 | | Other, of a power not exceeding 200 W and for a voltage exceeding 100 V: | | | | |
| 8539.22.80 | 40 | Other, including standard household: | | | | |
| 8539.29.20 | 00 | Lamps having glass envelopes not over 6.35 mm in maximum diameter and suitable for use in cystoscopes and other surgical instruments | No. | 5.2% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 55% |
| 8539.31.00 | 50 | With a single plug-in base | No. | | | |
| 8539.31.00 | 60 | With a single screw-in base | No. | | | |
| 8539.41.00 | 00 | Ultraviolet or infrared lamps; arc lamps: | | | | |
| 8540 | | Thermionic, cold cathode or photocathode tubes (for example, vacuum or vapor or gas filled tubes, mercury arc rectifying tubes, cathode-ray tubes, television camera tubes); parts thereof: | | | | |