Self ballasted vs Externally ballasted
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DBTerrapin / Forums / Diamondback Terrapins / Self ballasted vs Externally ballasted
What are the pros and cons to these two type MV Bulbs? Do the externally ballasted bulbs last longer because they run cooler? If so might it be cheaper to use the externally ballasted bulbs and augment with plain old incandescent for heat?
— In diamondbackterrapins@yahoogroups.com, “Marti Moses”
— In diamondbackterrapins@yahoogroups.com, “zacjambra”