I saw these on a new discount website (in Canada) and thought I’d try them out, as they are fairly inexpensive. I thought they might be handy when fixing something on the in-law’s boat or golf cart, for example.
The idea is that they solder and shrink and water seal the connection, just using a heat gun.
It seems to do a decent job, and I can see that the solder flowed.
I probably should have used flux on the wires, and I think that center ring is also a crimp ring, so I probably should’ve crimped the connection first. But it’s a strong connection even without it.
I think I’ll be using this next time I need to fix something there. Much easier than soldering and heat shrink sealing separately.
EDIT: Here's a video by BigCliveDotCom on YouTube, where he reviews these connectors: https://www.youtube.com/watch?v=unxEdyW8RP8
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