Crimps are great, if you use proper crimp tools and the right crimps that go with them. ![]() Crimps can feel a bit old-school these days, but quality kit gets good results. ![]() Plus it’s usually less blobby than your own efforts to solder a splice by hand. You end up with a tough, waterproof joint in pretty much two easy steps. Heating the solder seal connector with the heat gun will melt the solder creating an electrical joint, while also shrinking the heat shrink and activating the adhesive to grab on to the insulation of each wire. Then, you slide the solder seal connector over the join such that the solder bead is over stripped wire to be soldered. To use one, you take two wires, and then mesh the stripped ends together ready to be soldered. Solder seal connectors are basically a piece of heat shrink tube with a blob of solder in the middle, and two blobs of heat-activated adhesive on either side. We’re not entirely sure when the solder seal connector was invented, but it was probably in the 1980s, given the 1988 date on this US patent for the invention. Yes, you got us, this is still essentially soldering, but it’s kind of streamlined compared to doing it all by hand. Let’s list off a few, and you can tell us your favorites and all the ones we missed in the comments.įirst up is the solder-seal connector. Some are relatively new-fangled and nifty, while others have been around since nearly the dawn of all this electrickery business. These days, there are all kinds of ways to join a pair of wires. You Want Easy, Reliable, and Clean Solder seal connectors have become a popular solution for splicing wires without the usual need for soldering skills. But what about some of the other ways to join a pair of wires? ![]() Maybe it’s the classic Lineman’s Splice, maybe it’s some NASA-approved method, or maybe it’s one of those ridiculous ones where you braid all the copper strands together, solder it all up, and then realize you’ve forgotten to put the heat shrink on first. There are all manner of YouTube videos and image tutorials on the “properest” way to achieve this job. With that said, it can be a bit of a fussy process. It also does a pretty great job of holding two spliced wires together. It’s great for sticking surface mount parts to a PCB, and it’s really great for holding component legs in a plated through-hole.
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