Have you tried swapping the 2 new bulbs around and see if it follows the bulb? How old is the GFI I know that as they age they can do some strange things.
You have said that you replaced all the parts in the light to a 250w sys, how old are the ballast and igintors? Could one of them be going bad?
Does it trip the GFI if you only use the light that you think is bad ( 1 at a time)?
The only difference that I can think of between bulbs is maybe the start up power that is required,and with the 2 new ones it is too much for the breaker. I know that running GFI is imporatant but have you run a extension cord from another plug that is not protected, except by the house breaker and see if it does the same? Perhaps you need a larger GFI breaker.
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12-10-2011, 08:10 AM
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