Famous Broken Christmas Lights 2023. If the fuse isn't the problem, there is probably a problem with a bulb, says mccoy. Luckily, replacement bulbs are easy to come by and cheap!

Head into your local ace for all your holiday. Web the quartz crystal inside the igniter generates piezoelectricity, and the voltage is high enough that it shorts the busted bulb, even with a broken filament, and creates a path for the electricity to continue flowing down the series circuit. When an iridescent bulb fails the glass will often turn a smoky black color as the filament breaks.