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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...
mkirsch's avatar
mkirsch
Nomad II
Dec 11, 2015
What they said, except for the "never plug an LED into 120V."

I mean, you CAN plug an LED directly into 120V. Nothing stopping you. It'll be exciting for a brief moment. Then smelly.

Look at the specifications on the package for voltage requirements. Some LEDs don't even like 12V; they sometimes need much less.

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