Hot glue is an awesome semi-permanent material for electronics, I find myself using it frequently. It is an insulator, it sets quickly, and it can be peeled off if needed.
In the first two images I show how you can use a thin layer of hot glue to insulate a breadboard. This is useful if you are making a metal enclosure or if you are worried that the breadboard may come into contact with other components in the enclosure. As shown in the third image, electrical tape is also a good choice for these situations (although sometime sharp points in the solder may poke through the tape).
In last two images you can see how I used hot glue to support and insulate the leads on an audio jack. This way there is no chance of a short circuit and the soldering joints are less likely to break.
In the first two images I show how you can use a thin layer of hot glue to insulate a breadboard. This is useful if you are making a metal enclosure or if you are worried that the breadboard may come into contact with other components in the enclosure. As shown in the third image, electrical tape is also a good choice for these situations (although sometime sharp points in the solder may poke through the tape).
In last two images you can see how I used hot glue to support and insulate the leads on an audio jack. This way there is no chance of a short circuit and the soldering joints are less likely to break.
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I usually just use electrical tape but it has issues too.
In the the near future, I'll be soldering onto a dip socket (no board) and I might do this with the glue. Keep it stable and some electrical protection.