Why does an entire string of lights that worked last year not work?
Three sets of lights were working just fine last year. I plugged them in this year, and all three strings were dead. Why?
Are you storing them correctly (spooled) and checking that they work after wrapping them for storage? Only 3 reasons string lights stop working completely: the copper wiring is compromised (physically cut or corroded), the fuse is blown or there is a loose or broken bulb. If only part of the strand isn’t working it’s a bulb problem. Each bulb has a bypass wire so if a bulb burns out it’s just one bulb. If a bulb is loose or missing it breaks the current bc they are series wired. If the whole strand is out inspect the twisted wiring, replace the fuse. Next check all the bulbs. The materials are durable and the design is both weather proof and fire proof but they are assembled cheaply so they fail when jostled. The waste they produce out of sheer frustration and lack of insight into how they work is breathtaking. Invest in a handheld light tester and wrap the lights around something wide like cardboard or invest in light storage boxes that come with spools. Otherwise, if they’re dead and you can’t deal, recycle them to benefit charity here: https://www.christmas-light-source.com/C...
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