What is the use of the ncv function of the multimeter
On the multimeter, ncv is the abbreviation of Non contact voltage. It uses the principle of electromagnetic or electric field induction to determine whether there is a voltage. It is similar to the function of the induction test pen, and the test pen does not need to directly contact the charged object.
It is used to find the buried live wires in the wall (you can check the nails on the wall beforehand), or to find the buried broken wires, etc. It is suitable for use with higher AC voltage. It only judges whether there is a voltage, and cannot measure the specific voltage.
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