Recent content by ryan2clw

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    Multiple Hps Bulbs in Parrallel to Single Ballast

    I have a degree in electrical engineering. This should help: Assuming that the 150 (W) bulbs have 1/4 of the resistance compared to the 600(W) bulb, you would need to run them in series. In series circuits, you add the resistances. If you run things in parallel, you're going to lower the...
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