The locking clip/tab on my Ethernet cable's plug is broken. How can I fix it?
I have a 10 meter long Ethernet cable. One plug has the little locking clip missing, just like missing the part in red ellipse in the following picture.
How can I fix it? Is this something I should even attempt to fix myself, or is it better to replace the cable?
If you don't want to replace the cable or install a new jack, you have a few of options:
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Glue it into a coupler or a short extension like one of the following (with the coupler you will need another short run of cable on the other side):
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Repair it with a zip tie. Use this guide for instructions: http://www.instructables.com/id/Repair-a-Broken-Ethernet-Plug/
It's entirely possible to cut off the plug and install a new one, but you will need a crimping tool. It's about $15. The thing is, your local store will probably charge you more than $15 for a cable - even if you buy it online, it'll probably be close to that when you take shipping into account. Therefore, it's cost-effective in my opinion, even if you only need it occasionally (and those pieces tend to break somewhat frequently, in my experience).
Also, if you ever need to run large amounts of cable, it's much cheaper to buy it in bulk and cut it yourself.
EDIT: Don't forget to match the plug type to the wire type - stranded or solid (in your case, the wire is almost certainly stranded).
I was looking for the same thing, you might as well benefit from my research. There's a whole bunch of third party products that solve this exact problem. In no particular order:
This is called an RJCLIP, you can buy them on Ebay and Amazon. Heres a video demonstrating the idea.
This is an INTELLINET 771436 Repair Clip , Amazon has them
This one is a DELOCK RJ45 repair kit , Ebay has them
This one is called ClipFix , Amazon has them
Ive also found some asian ones but I cant locate them at present.
For a quick fix, I've successfully used a small piece of paper to wrap the 3 non-conductor sides of the socket and then insert the cable into the socket. Leave some paper extending outside the socket so you can prevent the plug from just pushing the paper into the socket. This hack can work for years, if there is not a lot of movement of the device or cable.
Otherwise, the only true fix is to cut-off and replace the plug.
Or, replace the cable if it is not a difficult routing issue. Cables are pretty cheap if you shop around online.