- Power and distribution transformers (3)
- Autotransformers, electric (power transformers) (2)
- Distribution transformers, electric (2)
- Generator voltage regulators (1)
- Power transformers, electric (7)
- Specialty transformers (4)
- Electronic meter transformers (1)
- Lighting transformers, fluorescent (1)
- Lighting transformers, street and airport (1)
- Toy transformers (1)
- Saturable reactors (1)
