2 Responses to “How much power does a ballast in a fluorescent light fixture use?”

  1. bjjetrich says:

    An electronic quick-start ballast supplying two 32-watt fluorescent light tubes (48 inches long) is .49 amps at 120 volts.

  2. bojo8127 says:

    It depends on a few variables, such as, how many tubes and what size ,is the factor that determines the ballast requirements or power consumption.

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