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If you're running network cables or just troubleshooting a dodgy Ethernet connection, this Hiij cable tester is a handy little device to have around.
It works with RJ45 (LAN), RJ11, and RJ12 (telephone) cables – so pretty much any twisted pair data wiring.
It tests for continuity, opens, shorts, and crossed pairs with clear LED indicators that light up in sequence when the wiring is correct.








5 out of 5