re: Christmas lights fail... Need suggestions.

quote:

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I am too dumb to understand how this can happen.

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It took me a few minutes to think of this because I was your mind frame when I first read the OP.

I can only assume at some point instead of plugging into the female end at one side, he used the female port on the back of the male plug and continued from there.

OP, if thats the case, you can find this spot and run a cord to it.