Ballasts limit the amount of electrical current that enters lights from power supplies in commercial buildings. They protect light bulbs and lighting tubes from high currents that come from electricity sources. Fluorescent lamp starters allows the current to flow through the filaments at the ends of the tube to light the lamp. HID Ballast Ignitors provide a voltage high enough to ionize the gas and light the lamp. LED drivers protect LED lighting from power fluctuations that can damage lighting or shorten lamp life. HID capacitors store electrical energy for ballast operation.
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