9 electronic adjustable speed drives and eddy current couplings which adjust and control the speed and output of electric motors; ballasts for fluorescent and high intensity discharge lighting; electric distribution controls for simultaneously regulating a plurality of electrical products; DC to AC power inverters; AC to DC power converters; voltage regulators; power supplies and related equipment, namely power conditioners and fault isolation units; electrical components, namely transformers, coils, filters, inductors, switching regulators and transducers; electrostatic emission control devices, namely electrostatic precipitators for reducing particulate emission in industrial applications