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What is ELECTRONIC BALLAST?
A ballast that uses semiconductor components to increase the frequency of fluorescent lamp operation (typically in the 20-40 kHz range).
Smaller inductive components provide the lamp current control.
Fluorescent system efficiency is increased due to high frequency lamp operation.
Results are increased lamp efficacy, reduced ballast losses and lighter, smaller ballasts compared to electromagnetic ballasts.
Electronic ballasts may also be used with HID (high intensity discharge) lamps.
reference for this page: ELECTRONIC BALLAST