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profdant139's avatar
profdant139
Explorer II
Dec 11, 2015

LED bulbs: can they function on both 12V and 120V?

I stopped in at an electronics store -- told the guy I wanted to build a small 12v LED table lamp (for reading) that would plug into my cigarette lighter socket in my RV. He had a display of some rea...
DownTheAvenue's avatar
DownTheAvenue
Explorer
Dec 11, 2015
profdant139 wrote:


But his in-store display was (I think) powering them with ordinary 120V current -- is it possible that the bulbs do not care whether it's 12V or 120V current? If that's true, it's an easy and cheap project.



Seems to me that asking the guy at the store would have answered your question.

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