Ballast

Definition: A device that by means of inductance, capacitance, or resistance, singly or in combination, limits the lamp current of a fluorescent or high intensity discharge lamp. It provides the necessary circuit conditions (voltage, current and wave form) for start

Related Links

Electrical ballast – Wikipedia
What is a ballast? | Adaptable Ballasts | Lighting Answers | NLPIP
What Is a Light Ballast? – Bryant Electric Service
Ballast Balance – How Fluorescent Lamps Work | HowStuffWorks
How to Replace Fluorescent Lights Ballast | Family Handyman

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