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Apple Computing Products:
macOS - Desktop Hardware
SSD question
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<blockquote data-quote="MacInWin" data-source="post: 1773680"><p>Nancy, light bulbs develop a bit of corrosion on the threads in either the socket or on the bulb itself. That corrosion then acts as a loose connection, alternately blocking and allowing current to pass. That's the hum. What is dangerous is that the hum also increases the heat. Hence, the fire hazard. One bulb may not be all that need attention. I would replace all the bulbs in that lamp with new ones with clean threads. And tighten them in so that in the future the corrosion cannot get between the socket and bulb.</p></blockquote><p></p>
[QUOTE="MacInWin, post: 1773680"] Nancy, light bulbs develop a bit of corrosion on the threads in either the socket or on the bulb itself. That corrosion then acts as a loose connection, alternately blocking and allowing current to pass. That's the hum. What is dangerous is that the hum also increases the heat. Hence, the fire hazard. One bulb may not be all that need attention. I would replace all the bulbs in that lamp with new ones with clean threads. And tighten them in so that in the future the corrosion cannot get between the socket and bulb. [/QUOTE]
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Apple Computing Products:
macOS - Desktop Hardware
SSD question
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