Why do Christmas tree lights go dead during storage every year?
In most cases it is because, during the storing of the christmas lights, they get bumped and shoved and thrown around, not to mention during the month they are hanging up, they sustain a lot of damage too. It can also be attributed to Gremlins, Phuka, Nixies and Christmas Ghosts (They want to to get you mad so they can do the whole “Three Ghosts of Christmas” thing to you. They live for that!
