Multi Wire Cable Tester


Posted on Feb 26, 2013

A multi wire cable tester with a separate LED for each wire. Will show open circuits, short circuits, reversals, earth faults, continuity and all with four IC`s. Designed initially for my intercom, but can be used with alarm wiring, CAT 5 cables and more.


Multi Wire Cable Tester
Click here to download the full size of the above Circuit.




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