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DC only or AC/DC ?
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#1 (permalink)      6/1/2015 3:46:35 AM US Central   quote/reply + tips
PeterNo
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DC only or AC/DC ?
Specs are saying DC 12V, though the pictures shows bottom with printing saying it's "AC/DC 12V".
Which one is correct?
#2 (permalink)      6/1/2015 4:14:11 AM US Central   quote/reply + tips
wason92
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Only dc
murder polis three stairs up the wummin in the middle door hut me wae a cup ma heeds aw broken ma face is aw cut murder polis three stairs up
#3 (permalink)      6/1/2015 4:33:31 AM US Central   quote/reply + tips
JPBel
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The right answer is : both

But it is worthless to use AC.
AC would only make it heat more, witch can quickly become a problem if there is no sufficient heat sinking, and last less longer, for no practical reasons.

A normal 1n4001 diode cost almost nothing, 1 per bulb will be enough, if you only have an AC source.
Or a bridge rectifier suitable for the number of bulbs you wish to connect to your AC power source, each buld are consuming around 500mA.