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how are long strings of christmas leds wired, given the forward voltage of say 50 or 100 leds , are they all parralel?

 

knektek6 years ago
Some of them could be wired in parralel. If there is an AC input, then they are probably wired in parralel. Where as if it is a DC input, they are most likely to be wired in parralel. You can check that on the transformer plug thingy.
Re-design6 years ago
No they are wired in series.  That way they all drop the voltage and can be run on 120 volts with out problem.

Being that they are run on ac, they actually blink but so rapidly that our eyes can't see the blink.

Here's a great site to read up on them.