GuidesLife expectancy and light output of halogen lamps as a function of voltage suppliedBy installation of halogen lamps (12 V) it is very important that the lamps will receive the right voltage. By too low voltage the lightoutput will be poor and by too high voltage the expected lifetime of the lamps will be reduced drastically. The diagran shows the relation between voltage supplied to the lamps, lifetime and lightoutput. The diagram is based on data from Osram. 
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