| Distribution Transformers |
| Oil-Filled |
API |
| Dry-Type |
API |
| 200°C Class |
API |
| Power Transformers |
| Oil-Filled |
API |
| Dry-Type |
API |
| 200°C Class |
API |
| Motors Fractical & Smaller |
| Open |
PU |
| Hermetic and Totally Enclosed |
PI-API, API |
| Start Windings |
PI-API |
| Motors Integral |
|
PI |
|
API |
| Automotive |
| Generators |
PU-PI-API |
| Alternators |
PU-PI-API |
| Field Coils |
PU-PI-API |
| Ignition Coils |
PU-PI |
| Regulator Coils |
PU-PI |
| Horn Coils |
PU-PI |
| Electronics |
| Misc. Coils, R.F. Flyback, Choke, etc. |
PU / PU-PI |
| Speciality Transformers |
| Ballasts (Fluorescent) |
PU – PI |
| Ballasts (Mercury) |
API |
| Ignition |
PU |
| Meter Coils |
PU – PI |
| Misc. Small Transfomrers, e.g. Appliances, Control, etc. |
PU – PI |
