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Pulse Start MH lamps are designed without a starting electrode and thus require an external ignitor in the ballast circuit. This ignitor provides about a 4kV pulse to start the lamp by ionizing the gas between the two main electrodes within the arc tube and initiating the arc. High pressure sodium lamps which have been used for many years, employ a similar external ignitor with a lower energy pulse that is typically about 2.5 - 3kV.
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Hubbell Outdoor Lighting products: LED, Energy Saving Pulse Start, Floodling, Wallpacks, Wall, Recessed Ceiling, Canopy, Landscape/Accent, and Roadway/Security lighting.
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