F

Electrical and electronic components and devices, namely, power line filters, power line matchers, namely, electrical controlling devices for use in correcting impedance matches between different electrical systems, impedance matching devices, frequency dividers, crossovers, namely audio crossovers, electric coils, capacitors, transformers, voltage regulators, relays, ballasts, namely lighting ballasts, choke coils, voltage surge protectors, voltage regulators for electric power, junction boxes, converters, voltage stabilizers, electrical power supplies, uninterruptible power supplies, battery charge devices