Why Did The Rest Of The Bulb Go Out If You Break The Connection At One Bulb? Long Answer. When Christmas mini light strings lights were first manufactured, a string of lights would go out if one bulb burned out because breaking the filament in a single bulb would break the connection. (And by burned
How Do You Find The Bad Bulb On LED Christmas Lights? Simply bring the light tester close to each bulb. The tester’s indicator will light up when it’s near a functioning bulb. If you have a non-contact voltage detector, bring the detector close to the wire section between each bulb to test for voltage. The
How Can You Tell Which Bulb Is Burned On Christmas Lights Without A Tester? Pull out one bulb at a time, and stick a piece of folded up foil into the bulb socket. If the lights come on, you know that’s the bad bulb. If they don’t, put the bulb back in and move on