| 8536.70.00 | 00 | Connectors for optical fibers, optical fiber bundles or cables | X | Free | | 45% |
| 8536.90.80 | 10 | Electrical distribution ducts | X | | | |
| 8536.90.80 | 30 | Junction boxes | No. | | | |
| 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: | | | | |
| 8537.10.60 | 00 | Motor control centers | No. | 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 | 50 | Panel boards and distribution boards | No. | | | |
| 8537.10.90 | 60 | Programmable controllers | No. | | | |
| 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% |
| 8538.90.80 | 40 | Metal contacts | X | | | |
| 8538.90.80 | 60 | Other parts of switchgear, switchboards, panel boards and distribution boards | X | | | |
| 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: | | | | |
| 8540.11 | | Cathode-ray television picture tubes, including video monitor cathode-ray tubes: | | | | |
| 8540.11.10 | | Non-high definition, non-projection, having a video display diagonal exceeding 35.56 cm | | 15% | Free (A+,B,CA, CL,D,E,IL,J,JO, MX,P) 10.5% (BH) 9.9% (MA) 7.5% (AU) 5.6% (SG) | 60% |
| 8540.11.10 | 30 | Having a video display diagonal: | | | | |
| 8540.11.24 | 01 | Non-high definition, non-projection, having a video display diagonal not exceeding 35.56 cm: | | | | |
| 8540.11.24 | 01 | Having a video display diagonal not exceeding 34.29 cm | No. | 7.5% | Free (A+,AU,B,BH, CA,CL,D,E,IL,J, JO,MX,P,SG) 4.9% (MA) | 60% |
| 8540.11.30 | 00 | High definition, having a video display diagonal exceeding 35.56 cm | No. | 15% | Free (A+,B,CA, CL,D,E,IL,J,JO, MX,P) 10.5% (BH) 9.9% (MA) 7.5% (AU) 5.6% (SG) | 60% |
| 8540.11.44 | 01 | High definition, having a video display diagonal not exceeding 35.56 cm: | | | | |
| 8540.11.44 | 01 | Having a video display diagonal not exceeding 34.29 cm | No. | 7.5% | Free (A+,AU,B,BH, CA,CL,D,E,IL,J, JO,MX,P,SG) 4.9% (MA) | 60% |
| 8540.12 | | Black and white or other monochrome: | | | | |
| 8540.12.10 | | Television picture tubes having a straight line dimension across the faceplate greater than 29 cm but having no straight line dimension across the faceplate that exceeds 42 cm: | | | | |
| 8540.12.10 | | Non-high definition | | 3.6% | Free (A,AU,B,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 60% |
| 8540.12.10 | 40 | Projection | No. | | | |
