How to make a Cat 5 / ethernet / RJ45 / network cable

Modern homes need cat 5 cable (a.k.a. ethernet cable, network cable or RJ45) running all over the place. Home networks, security cameras, telephones and even HDMI devices—among other products—can use cat 5 to transmit their data. (In my file-transfer tests, wired ethernet over cat 5 is still about 20 times faster than a wireless network.)

When my house was built in 1913, the builders didn’t have the foresight to run cat 5 everywhere. So, last night, I had to run some more, and I realized that even a lot of tech-friendly people don’t know how easy it is to make your own cat 5 cables. If you’re going to run a lot of cat 5, making your own is about a tenth of the cost of buying pre-crimped cables. And, it only takes a minute or two for each cable.

This article shows you how to get the few pieces of equipment you’ll need, and breaks it down into a simple three-step process.

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