Osram COOL BLUE INTENSE – the bluest regulation automotive halogen lamp on the market! With Xenon look! Conforms 100% to ECE rules. You will attract attention with this cool lamp in your headlight. In the bluest of blue. Affordable for everyone.
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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.