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#5
10-10-2010, 10:25 PM
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ya the ballast is most likely dead. The reason for ballasts is to brovide a starting voltage, and yet limit current. Lamps, being Flourescent or MH (HID) they have a lot higher striking voltage than running voltage. Some bulbs take 600v+ to strike the arc, yet less than 100v to maintain the arc. I would be very carefull measuring the OCV (Open Circuit Voltage) with a meter rated less than 1000V.
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Dan Pesonen Umm, a tank or 5 
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