| 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: | | | | |
| 8537.10.30 | 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 | 50 | Panel boards and distribution boards | 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% |
| 8538.90.80 | 20 | Of automatic circuit breakers | X | | | |
| 8538.90.80 | 60 | Other parts of switchgear, switchboards, panel boards and distribution boards | X | | | |
| 8539 | | Electrical filament or discharge lamps, including sealed beam lamp units and ultraviolet or infrared lamps; arc lamps; parts thereof: | | | | |
| 8539.10.00 | | Sealed beam lamp units | | 2% | Free (A,AU,B,BH, C,CA,CL,E,IL,J, JO,MA,MX,P, SG) | 20% |
| 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 | 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 | | Tungsten halogen: | | | | |
| 8539.21.20 | 40 | For the vehicles of subheading 8701.20 or heading 8702, 8703, 8704, 8705 or 8711 | No. | | | |
| 8539.22.80 | 40 | Other, including standard household: | | | | |
| 8539.22.80 | 40 | Of a power 15 W or more but not exceeding 150 W | No. | | | |
| 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% |
| 8539.29.30 | 50 | Designed for a voltage of 12 V or more but not exceeding 14 V | No. | | | |
Harmonized Tariff Schedule of the United States inquiry: 3203Ã
