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Old 02-14-2006, 06:49 PM
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Default Metal Halide Circuitry: Bulbs in Series

Anyone tried or read about wiring MH bulbs in series? Wondering if they would obey Ohm's law like regular incandescents (ie. 2x70W ~ 150W) so that an existing ballast could be used to power 2 bulbs.

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Old 02-14-2006, 07:33 PM
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Im interested in any answers, especially if a 400w magnetic ballast could run 2x175w bulbs.
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Old 02-15-2006, 12:24 AM
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Been doing some reading and it doesnt look viable. Probably has to do with the startup procedure for HID bulbs.
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Old 02-15-2006, 12:33 PM
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you would most likely blow up the first bulb in series and a few seconds later the second.

Steve
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Old 02-15-2006, 02:40 PM
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Quote:
Originally Posted by StirCrazy
you would most likely blow up the first bulb in series and a few seconds later the second.

Steve
Thats what i see happening as well..
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Old 02-15-2006, 03:05 PM
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I want pics
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Old 02-15-2006, 03:11 PM
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Yeah, anybody got a spare 400w ballast and 2x175w bulbs to test with?
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Old 02-15-2006, 03:43 PM
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i've got a 175w lamp kickin around...maybe hook it up to my m80 and hide behind a wall..maybe do it outside too so I don't catch the house on fire! I wonder if it'd make a bang, or just fizzle...or nuke my ballast...now that would suck. maybe not a good idea afterall
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Old 02-15-2006, 05:21 PM
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I have a 400w ballast I would be willing to try testing 2x175w on, if someone has two bulbs, preferably identical.
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Old 02-15-2006, 05:56 PM
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