| 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: | | | | |
| 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% |
| 8538.90.40 | 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% |
| 8539.21 | | Tungsten halogen: | | | | |
| 8539.31.00 | 40 | 1.2 m, straight tube, of a power 30 W or more but not exceeding 40 W | No. | | | |
| 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: | | | | |
| 8540.12.10 | | 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: | | | | |
| 8540.20 | | Television camera tubes; image converters and intensifiers; other photocathode tubes: | | | | |
| 8540.20.20 | | Cathode-ray tubes | | 6% | Free (A+,AU,B,BH, CA,CL,D,E,IL,J, JO,MA,MX,P,SG) | 35% |
| 8540.40.00 | | Data/graphic display tubes, color, with a phosphor dot screen pitch smaller than 0.4 mm | | 3% | Free (A+,AU,B,BH, CA,CL,D,E,IL,J, JO,MA,MX,P, SG) | 35% |
| 8540.50.00 | 00 | Data/graphic display tubes, black and white or other monochrome | No. | 3% | Free (A+,AU,B,BH, CA,CL,D,E,IL,J, JO,MA,MX,P, SG) | 35% |
| 8540.60.00 | | Other cathode-ray tubes | | 3% | Free (A+,AU,B,BH, CA,CL,D,E,IL,J, JO,MA,MX,P, SG) | 35% |
| 8540.71 | | Microwave tubes (for example, magnetrons, klystrons, traveling wave tubes, carcinotrons), excluding grid-controlled tubes: | | | | |
| 8540.81.00 | 00 | Other tubes: | | | | |
| 8540.81.00 | 00 | Receiver or amplifier tubes | No. | 4.2% | Free (A+,AU,B,BH, CA,CL,D,E,IL,J, JO,MA,MX,P, SG) | 35% |
| 8540.89.00 | 20 | Gas and vapor electron tubes | No. | | | |
| 8540.89.00 | 60 | Light-sensing tubes | No. | | | |
| 8540.91 | | Of cathode-ray tubes: | | | | |
| 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% |
| 8543 | | Electrical machines and apparatus, having individual functions, not specified or included elsewhere in this chapter; parts thereof: | | | | |
| 8543.30.00 | 00 | Machines and apparatus for electroplating, electrolysis or electrophoresis | X | 2.6% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 35% |
| 8543.70 | | Other machines and apparatus: | | | | |
| 8543.70.20 | 00 | Physical vapor deposition apparatus | No. | 2.5% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 35% |
