How to trace the cable using Sonel LKZ-720 with transmitting clamp N-1

Sonel LKZ-720 locator is designed mainly for the detection of cables in buildings in different environments (concrete, brick, wood).
Main features:
- detection of wires and cables (live or not)
- detection of cables in ceilings, walls and floors,
- detection of breaks in cables,
- tracing cables in building installation,
- locating power points and switches in buildings,
- locating short circuits between leads,
- tracing shielded cables,
- tracing cables in metal ducts.
- identification of fuses on the distribution board.
- tracing underground cables.
- tracing conductive water and heating pipelines.
- non-contact detection of live cables.

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N PE musi być uziemione? Kupiłem miernik robię próby i nie działa tak ładnie jak u was. Próbuje na kablu rozwinięty na trawniku. Nie wiem czy ma to sens

[@piotrek619]

Kabel jest pod napięciem?