how to tell which bulb is bad on christmas lights

Well, to determine which bulb is faulty in a strand of Christmas lights, there are a few simple methods you can try. One way is to remove the bad bulb manually. You can do this by following the strand of lights to the bulb that isn't working and gently pushing on it to see if it falls out. If the bulb falls out easily, then it is likely that the bulb is the faulty one. Another way is to use a continuity tester. A continuity tester is a tool that can be used to check if there is a break in the electrical connection. By connecting the continuity tester to the bulb's contacts, you can test