When you are learning the process of how to build cat5 cable tester you will have to have a general knowledge of cat 5 wiring techniques. There are several steps involved in building your own simple cat5 cable tester and they need to be followed exactly. How the basic tester will work is through the use of a circuit board imbedded with LED lights that will light up as current passes through them.
The first step you will need to complete is to drill the circuit board to add in the LED lights. You will want to use a fairly small drill bit, no larger than a #69 drill bit. You will need several small AA batteries to run this little device. You will need to attach both ends of your cables to the cable tester to properly test the application. It will run a current through the tester and if it is working properly on both ends each set of lights should brighten.
This is a very handy tool for determining where a problem in your electrical work lies. It will save you countless hours in tracking down problems. You should enclose the device you have created inside a box of some kind to protect yourself while you are testing your cables.
This will help you when going into building your own cat 5 cable tester.
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