| 8536.41.00 | 20 | With contacts rated at less than 10 A: | | | | |
| 8536.49.00 | 50 | With contacts rated at less than 10 A: | | | | |
| 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% |
| 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% |
| 8537.20.00 | | For a voltage exceeding 1,000 V | | 2.7% | Free (A,AU,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% |
| 8539.10.00 | 10 | Under 15.24 cm: | | | | |
| 8539.10.00 | 10 | For the vehicles of subheading 8701.20 or heading 8702, 8703, 8704, 8705 or 8711 | No. | | | |
| 8539.10.00 | 50 | 15.24 cm or over: | | | | |
| 8539.10.00 | 50 | For the vehicles of subheading 8701.20 or heading 8702, 8703, 8704, 8705 or 8711 | No. | | | |
| 8539.21.20 | | Designed for a voltage not exceeding 100 V | | Free | | 20% |
| 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 | 10 | Of a power not exceeding 150 W: | | | | |
| 8539.22.80 | 40 | Of a power 15 W or more but not exceeding 150 W | No. | | | |
| 8539.22.80 | 70 | Of a power exceeding 150 W | No. | | | |
| 8539.29.10 | 00 | Designed for a voltage not exceeding 100 V: | | | | |
| 8539.29.30 | 50 | Designed for a voltage of 12 V or more but not exceeding 14 V | No. | | | |
| 8539.29.40 | 00 | Designed for a voltage exceeding 100 V | No. | 2.6% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 20% |
| 8539.31.00 | 40 | 1.2 m, straight tube, of a power 30 W or more but not exceeding 40 W | No. | | | |
| 8540.99.40 | 00 | Electron guns; radio frequency (RF) interaction structures for microwave tubes of subheadings 8540.71 through 8540.79, inclusive | X | Free | | 35% |
| 8541.21.00 | 75 | With an operating frequency not less than 100 MHz | No. | | | |
| 8541.21.00 | | With a dissipation rate of less than 1 W | | Free | | 35% |
