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You are here: Home » Grow Supplies » Lighting » Magnetic Ballasts

Magnetic Ballasts


An electrical ballast is a device intended to limit the amount of current in an electric circuit. A familiar and widely used example is the inductive ballast used in fluorescent lamps, to limit the current through the tube, which would otherwise rise to destructive levels due to the tube's negative resistance characteristic. Ballasts vary in design complexity.

Hot Head 1000W
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