Simple Tips to Crimp RJ45 End on Network Cable Version 1 | How to Put Ends on Network Cable for Beginners

In this video, I show a super easy way to consistently crimp RJ45 ends onto network cable. Terminating CAT 5 / CAT 6 cable is something I do every day as a Freelance Information Technology Technician. I have been an independent tech for over 20 years and this is one way I work efficiently out in the field so I maximize my billable hours.

RJ45 Pinout T568A Standard

1. Green and White
2. Green
3. Orange and White
4. Blue
5. Blue and White
6. Orange
7. Brown and White
8. Brown

RJ45 Pinout T568B Standard

1. Orange and White
2. Orange
3. Green and White
4. Blue
5. Blue and White
6. Green
7. Brown and White
8. Brown

Link to the Tools in this video:

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Video Transcript:

today we’re going to talk about

terminating RJ 45, putting an RJ 45 end on a cable.

So basically you want to strip it back, give yourself a little bit to work with. Got this nice little radial stripper by Klein that I really like. You don’t have to get rid of this little threaded piece, but I always do. because I’m OCD.

Then you’re going to separate your pairs and you want to straighten them because they’re twisted. So obviously you’ve got to deal with the fact that they’re twisting, so they’re not even. So when you untwist them, you want to kind of run your thumb down them like this to straighten them, smooth them out. This is like opposite the way I like it.

Every pair, we kind of run it out with our thumbs.

All right. Once we’ve got them all separated, then, of course, we’re going to get our colors.

So we’re going to start with our orange.

And you can always Google what the color code is. But effectively, you know,

orange, white.


And you want to try to twist them to where they lay as smoothly as possible.

So it’s green/white. And you go to your blues and the blues are flipped. So it’s blue, blue/white, then green and back to the brown/white and brown. So you got them all laid out right. I’m always keeping a good hold on it on this end so I keep them in order, but

then I start gripping them here and I start working.

This one is more loose, but I start working them back and forth. Like this, kind of pulling on them and you see how they’re starting to get really close together? Yeah, So by doing that, you get them really close together so that when you do your cut then they’re going to stay together. That’s really the biggest trick is this whole back and forth motion.

Okay, so like if one’s twisted over the other when you crimp it down it’s obviously not going to… Yeah, exactly. So the first step obviously is make sure they’re nice and smooth by running your thumb down all of them. Smoothing them out and then doing this back and forth action to really make sure that they’re just absolutely snug against each other.

And of course, you’re going to double check that your colors haven’t switched. But now that we’re ready to crimp, you want as you want this jacket to go up into the end. You don’t want to leave a bunch of this hanging out of the end. Would you rather have an inch over on the sleeve or would you rather have an inch of like or like a half inch of of the cable? You want is a little of the… sleeve as possible.

I mean, as little of this as possible. You want to get down close to the sleeve. So generally what I’ll do is I’ll take my thumb

Okay. And I’m crimping down with my thumbnail. Yeah. To hold them in place.

All right I’m going to take a pair of scissors And we’re just going to cut these off straight.

Mm. So you see there… you don’t leave very much now, you see, I mean, it’s just barely sticking out from my thumb, you want this super close. Okay, so So you’re going to keep your thumbnail on it for pressure. Always do clip side down to match your color code. so it has to be clip side down for the colors to be matched up

right. You’re going to lay them on the bottom lip of this end and then you’re going to keep pressure, downward pressure on it to kind of keep it pushed up against the edge as you release it and start sliding it in. And you just slowly let it flow up there. And then, of course, once you get to where the individual conductor spots are, that should start grabbing them.

And you may have to kind of go left and right just a little bit and you tuck that jacket up in there because that in theory is a good clean… So you definitely would rather have a little bit of jacket inside the head. Yes. You should have.

You don’t want any of the conductors showing outside the end.

All right. So we got our clip slide down on the connector. We have our clip side down here. Slide that into our crimper. Keep pressure on it.

You know, you make sure you don’t pull it out Keep pressure on it until you do the crimp. Do a good, solid couple of squeezes. Check it.

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