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What is the reason for the new produced halogen lamps that get black inside after being connected to power for a few hours?
Wiki User
∙ 14y ago
The black is burned into the outside of the bulb and just looks like it's on the inside. This is normally caused by touching the bulb with your bare hands but can also be a contamination from another source. The heat generated by the bulb burns anything on it's surface turning it black and fussing it to the bulb.
Wiki User
∙ 14y ago
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