HS 8504 – Electrical transformers, static converters (for example, rectifiers) and inductors.
Tariff data as of T2026-2, effective Sept 1, 2026, last verified Oct 21, 2026
Electrical transformers, static converters (for example, rectifiers) and inductors.
Subheadings
Child tariff lines and MFN rates
| HS code | Description | MFN rate |
|---|---|---|
| 8504-10 – Ballasts for discharge lamps or tubes | MFN Free | |
| 8504-10-00-00 | Ballasts for discharge lamps or tubes | Free |
| 8504-21 – Having a power handling capacity not exceeding 650 kVA | MFN Free | |
| 8504-21-00-10 | Having a power handling capacity of less than 500 kVA | Free |
| 8504-21-00-20 | Having a power handling capacity of 500 kVA or more but not exceeding 650 kVA | Free |
| 8504-22 – Having a power handling capacity exceeding 650 kVA but not exceeding 10,000 kVA | MFN Free | |
| 8504-22-00-10 | Having a power handling capacity exceeding 650 kVA but not exceeding 2,500 kVA | Free |
| 8504-22-00-20 | Having a power handling capacity exceeding 2,500 kVA but not exceeding 10,000 kVA | Free |
| 8504-23 – Having a power handling capacity exceeding 10,000 kVA | MFN Free | |
| 8504-23-00-10 | Having a power handling capacity exceeding 10,000 kVA but not exceeding 59,000 kVA | Free |
| 8504-23-00-20 | Having a power handling capacity exceeding 59,000 kVA but not exceeding 100,000 kVA | Free |
| 8504-23-00-30 | Having a power handling capacity exceeding 100,000 kVA | Free |
| 8504-31 – Having a power handling capacity not exceeding 1 kVA | MFN Free | |
| 8504-31-00-20 | Having a power handling capacity less than 40 VA | Free |
| 8504-31-00-30 | Having a power handling capacity of 40 VA or more but less than 1 kVA | Free |
| 8504-31-00-40 | Having a power handling capacity of 1 kVA | Free |
| 8504-32 – Having a power handling capacity exceeding 1 kVA but not exceeding 16 kVA | MFN Free | |
| 8504-32-00-00 | Having a power handling capacity exceeding 1 kVA but not exceeding 16 kVA | Free |
| 8504-33 – Having a power handling capacity exceeding 16 kVA but not exceeding 500 kVA | MFN Free | |
| 8504-33-00-10 | Having a power handling capacity exceeding 16 kVA but not exceeding 50 kVA | Free |
| 8504-33-00-20 | Having a power handling capacity exceeding 50 kVA but not exceeding 500 kVA | Free |
| 8504-34 – Having a power handling capacity exceeding 500 kVA | MFN Free | |
| 8504-34-00-00 | Having a power handling capacity exceeding 500 kVA | Free |
| 8504-40 – Static converters | MFN Free | |
| 8504-40-30-00 | Power supplies for the automatic data processing machines of heading 84.71 | Free |
| 8504-40-40-00 | Speed drive controllers for electric motors | Free |
| 8504-40-90-31 | Rectifiers | Free |
| 8504-40-90-32 | Inverters | Free |
| 8504-40-90-33 | Alternating current converters and cycle converters | Free |
| 8504-40-90-34 | Direct current converters | Free |
| 8504-40-90-35 | Power supplies | Free |
| 8504-40-90-39 | Other | Free |
| 8504-40-90-41 | USB type, from AC source | Free |
| 8504-40-90-42 | USB type, from DC source | Free |
| 8504-40-90-49 | Other | Free |
| 8504-40-90-93 | Power supplies | Free |
| 8504-40-90-99 | Other | Free |
| 8504-50 – Other inductors | MFN Free | |
| 8504-50-00-00 | Other inductors | Free |
| 8504-90 – Parts | MFN Free | |
| 8504-90-10-00 | Printed circuit assemblies for the goods of subheadings 8504.40 and 8504.90 | Free |
| 8504-90-20-00 | Other parts of power supplies for automatic data processing machines of heading 84.71 | Free |
| 8504-90-90-10 | Printed circuit assemblies, of electric transformers and other inductors | Free |
| 8504-90-90-81 | Having a power handling capacity of less than 500 kVA | Free |
| 8504-90-90-82 | Having a power handling capacity of 500 kVA or more | Free |
| 8504-90-90-90 | Other | Free |
Top importers in this heading
At least 1682 Canadian companies imported goods under heading 85.04 according to the CBSA Canadian Importers Database, 2023 data.
Most frequent importers
- IAPI-SAINT LAURENTSPARES&SERVICE - Quebec - 17 codes
- HITACHI ENERGIE CANADA INC./ HITACHI ENERGY CANADA INC. - Quebec - 13 codes
- AIR CANADA - British Columbia - 12 codes
- FUTURE ELECTRONICS INC. - Quebec - 12 codes
- ROCKWELL CONTROL SYSTEMS - Ontario - 12 codes
- SCHNEIDER ELECTRIC CANADA INC. - Ontario - 12 codes
- ARROW ELECTRONICS CANADA LTD - Ontario - 11 codes
- DIGI-KEY CORPORATION - Minnesota - 11 codes
- AVNET INTERNATIONAL CANADA LTD/AVNET INTERNATIONAL CANADA - Ontario - 10 codes
- CELESTICA INTERNATIONAL LP - Ontario - 10 codes
Codes with importers
- 8504.10.00.00 - 25 importers
- 8504.21.00.10 - 8 importers
- 8504.21.00.20 - 3 importers
- 8504.22.00.10 - 10 importers
- 8504.22.00.20 - 16 importers
- 8504.23.00.10 - 6 importers
- 8504.23.00.30 - 4 importers
- 8504.31.00.20 - 294 importers
- 8504.31.00.30 - 29 importers
- 8504.31.00.40 - 37 importers
- 8504.32.00.00 - 54 importers
- 8504.33.00.10 - 4 importers
- 8504.33.00.20 - 11 importers
- 8504.34.00.00 - 33 importers
- 8504.40.30.00 - 38 importers
- 8504.40.40.00 - 100 importers
- 8504.40.90.31 - 36 importers
- 8504.40.90.32 - 930 importers
- 8504.40.90.33 - 40 importers
- 8504.40.90.34 - 32 importers
- 8504.40.90.35 - 115 importers
- 8504.40.90.39 - 36 importers
- 8504.40.90.41 - 14 importers
- 8504.40.90.42 - 32 importers
- 8504.40.90.49 - 91 importers
- 8504.40.90.93 - 386 importers
- 8504.40.90.99 - 538 importers
- 8504.50.00.00 - 72 importers
- 8504.90.10.00 - 9 importers
- 8504.90.90.10 - 13 importers
- 8504.90.90.81 - 5 importers
- 8504.90.90.82 - 7 importers
- 8504.90.90.90 - 135 importers