9 magnetic and power converters, namely, three phase transformers, 50/60 Hz PC mount transformers and chokes, audio transformers, class H transformers, Computer and medical grade isolation transformers, ferroresonant transformers, industrial and OEM current transformers, laminated chassis-mount transformers and reactors, low voltage control and signal transformers, RF, Video and microwave transformers, small power pulse and datacom transformers, special purpose power transformers, specialty lighting transformers and specialty lighting ballasts, surface mount inductors and transformers, switchmode and converter magnetics, telephone industry transformers and coils, toroidal power transformers and AC line chokes