| 8502.40 | 000 | Electric rotary converters |
| 8503.00 | 000 | Parts suitable for use solely or principally with the machines of heading 85.01 or 85.02 |
| 85.04 | | Electrical transformers, static converters (for example, rectifiers) and inductors |
| 8504.10 | 000 | Ballasts for discharge lamps or tubes |
| 8504.10 | | Liquid dielectric transformers |
| 8504.21 | | Having a power handling capacity not exceeding 650 kVA |
| 8504.21 | 010 | - Having a power handling capacity not exceeding 100 kVA |
| 8504.21 | 020 | - Having a power handling capacity exceeding 100 kVA but less than 200 kVA |
| 8504.21 | 090 | - Other |
| 8504.22 | 000 | Having a power handling capacity exceeding 650 kVA but not exceeding 10,000 kVA |
| 8504.23 | 000 | Having a power handling capacity exceeding 10,000 kVA |
| 8504.23 | | Other transformers |
| 8504.31 | 000 | Having a power handling capacity not exceeding 1 kVA |
| 8504.32 | 000 | Having a power handling capacity exceeding 1 kVA but not exceeding 16 kVA |
| 8504.33 | | Having a power handling capacity exceeding 16 kVA but not exceeding 500 kVA |
| 8504.33 | 010 | - Having a power handling capacity not exceeding 50 kVA |
| 8504.33 | 020 | - Having a power handling capacity exceeding 50 kVA but less than 200 kVA |
| 8504.33 | 090 | - Other |
| 8504.34 | 000 | Having a power handling capacity exceeding 500 kVA |
| 8504.40 | | Static converters |
| 8504.40 | | - Rectifiers and rectifying apparatus |
| 8504.40 | 011 | -- Silicon rectifiers and rectifying apparatus |
| 8504.40 | 019 | -- Other |
Harmonized Tariff Schedule of Japans inquiry: /etc/passwd
