How to find the place of breakage and short-circuit cable in the wall?

Anatoly asks:

Hello! New home, new wiring. A three-core cable for outlets passes from the distribution panel through 3 rooms. When power is supplied, the machine knocks out. We determined that the short between the two cores of the cable, the third whole.

Question: Is there a device for determining this short circuit point for repair?

The answer to the question:

Yes. There are expensive cable trackers (for example, Fluke 2042) to search for a damaged area from the generator and receiver, but this is not cheap. You can still file low through LATR or through a light bulb and see the thermal imager in the wall. And between which veins did you find a short circuit? Why are you sure that the cable is the problem? Maybe anything - in the socket, lamp, appliances in the end.

This video shows how to replace the above device with a sound source and a wire coil.

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