RJ45 Connector/Plugs

Posted on 2012-08-13
Last Modified: 2012-08-13

I am aware that there are 2 types of RJ45 Plugs namely the STRANDED and SOLID cable. From a certain source of mine - it is said that the RJ45 plug for STRANDED will work on both STRANDED OR SOLID cable. The price of RJ45 for SOLID is much more than the STRANDED one,i would like to know why is this and what is the significant difference? I am asking this because its kinda strange to me why i would buy the RJ45 SOLID for SOLID cables alone which also costs more whereas i can use the RJ45 STRANDED which also works for SOLID and happens to be cheaper (could there be something we are missing or do not know) - that's all

Thank you!
Question by:shaunwingin
    LVL 3

    Assisted Solution

    by:Dimitris Ioakimoglou
    according to

    Why aren’t solid and stranded components cross-compatible?
    In order to make a successful connection, a plug's tooth-like contacts need to properly pierce through the plastic insulation on each wire. When this is done correctly, the plug contact is able to physically touch the wire conductor, and a connection is made. It's a simple concept to understand, but because of the differences between solid and stranded wire, the insulation-piercing process is a little different for each type.

    While solid RJ45 teeth only need to make contact with one wire, stranded RJ45 teeth need to work their way in among multiple strands in order to make a connection. The subtle differences between connector contacts can be tough for the untrained eye to identify, but can cause some pretty big problems when paired with the wrong type of cable. Save yourself time, frustration and wasted supplies by verifying that your cable and RJ45 connectors "match."

    I haven't tried using a stranded plug on solid cable and the only thing I can tell you is I wouldn't risk it. Network troubleshooting is complicated enough as it is, introducing a new layer 1 factor is not , in my opinion, a good idea!
    LVL 3

    Expert Comment

    by:Dimitris Ioakimoglou
    Especially if you're about to make solid cables, which probably means you're building a backbone.

    Author Comment

    Tx. Pls comment on this:
    "whereas i can use the RJ45 STRANDED which also works for SOLID and happens to be cheaper (could there be something we are missing or do not know) - that's all
    LVL 3

    Accepted Solution

    Well, look. There's standards and, usually, they're there for a reason. If a cable works with the wrong connector it does not mean it works as it should. As I said before, I would not take the risk, I would simply pay the extra money and go for a by-the-book approach.

    It might be cheaper but there's no guarantee it will work the way it should (at the speeds it should, trouble free, for the time you expect it will etc)

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