A reader writes:
I have a couple of antique christmas trees with bubble lights that do not work. They did work in years past. I am wondering if there is any way to find out which ones (sockets) don't work I have lots of bubble lights and a single string that works with the bubble light bulbs. Do you have any advice.? Thanks, Linda
--------Our Response-----------
Regarding your bubble lights, I understand your frustration with not knowing if the sockets have gone bad. Are you saying that the bubble lights all work in the strand, but when you screw them into the sockets in the trees they don't work? Or something else.
I understand that if you're trying to test a single light, you can use a nine-volt battery.
Let me know,
Paul Race
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