Quote:
Originally Posted by Dave-ROR
My old Phillips ballast shows a max output of 23,000volts, so I'd guess auto ones ignite with 20k or so (just assuming the max is allowing excess room). Auto ones tend to last longer but at FAR less wattage (most are between 35 and 50W IIRC) and produce less light obviously. The bulbs requires, heat generation, etc are obviously vastly different.
But yes, it's bad to turn them back on quickly because of the life issue although I'm at 8 years and my old bulbs are still rocking so it's not something to stress about in the automotive application... and I even bought mine used.. so they are likely have 10 years on those bulbs.
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Heh, I guess it's hard for me to comprehend being used to replacing lamps at about 400 hours, since that is whats recommended of our lamps is to replace them when half their lives are over due to the explosion risk from old lamps. Also in our industry when you change a Xenon lamp...you're required to wear kevlar/leather body armor, face shields and heavy gloves. Especially when replacing something like this