![]() So without digressing too much, here’s the distinction in a nutshell:Ī solid core wire is a single piece of conductor (usually copper) wrapped in an insulator. The process for making the splice with stranded wire however, is pretty much identical. That means many of the Lineman’s Splice examples you’ll find online use solid core wire. (Image/OnAllCylinders)īefore we dive in, let’s quickly understand the difference between stranded and solid core wires, because the Lineman’s Splice was originally developed for the latter. Both are still very much in use today, just for different applications. Solid Core Wires Here’s an easy visual comparison between stranded (red) wire and solid core (white) wire. Putting your wiring in looms, wraps, or convoluted tubing is a smart move too. In other words, the Lineman’s Splice is plenty good enough for your car or truck.Ī strong splice won’t make up for poor wiring harness management however-first and foremost, always make sure your wire runs are neat, properly secured, and out of the way. It’s simple, easy, and strong, and is so reliable that NASA even includes it as a standard for wiring up rocket ships. That led the engineers at Western Union to develop what is known as the “Western Union” or “Lineman” splice. So being able to connect telegraph lines reliably was kind of a big deal. (Image/ Public Domain)īack in the 1800s, if a telegraph line broke, it could sever communications between entire cities. Suffice it to say, this photograph pre-dates OSHA. In fact, folks have been making reliable wire splices for over a century, which brings us to… The Lineman’s Splice A Lineman was the person who had to climb up the telegraph pole to make and repair connections to the telegraph line. The good news is, splicing electrical wire is pretty easy with some basic tools and know-how. And if you’ve ever dealt with intermittent electrical gremlins, you already know that making foolproof electrical connections is vital. E.E.Įxperience: United States Navy STS, Bayer Intnl Process EngineerĬurrent: Teaching college freshmen electrical engineering at a small community college in the Pittsburgh Area.Whether you’re retrofitting an EFI kit, replacing a crusty bulb socket, or installing a new stereo, if you work around cars long enough, you’ll eventually have to splice some wires. You help is appriciated.Įducation: United States Navy, University of California at San Diego B.S. It costs a bit of money to buy all the items and produce these videos. It will go a long way to keeping the channel alive. Please check out and pledge a dollar if you can. If it's good enough for the space program, it's good enough for me. In this video we look at how NASA splices wires. Get professional PCBs for low prices from -~. Be sure to protect the splice against the weather. This splice is strong and holds up well in most environmental conditions. This splice will come in handy for those of us who design, build, and repair homemade antennas. This splice is known by various names, including the "NASA Wire Splice." Thanks to Paul of "learningelectronics" for this simple, effective way to splice wire. This is post 2210 in a continuing series of simple ham radio antennas. If you can't see the video, please insert this title URL into your browser search box:
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