Detection of hidden wiring
Detection of hidden wiring
When drilling holes in the walls hidden wiring there is a risk to get a drill in the wire. Find hidden wiring in the wall you can with the help of a tape recorder. To do this, connect the recorder to the dynamic microphone and switch on the record with a maximum gain. Spend a microphone along the wall. In laying the ground wiring of the dynamics of the tape you will hear a low hum. Away from the buzz of the wiring weaken. Drilling safely in a place where the roar ischznet.
Source: magazine "Science and Life», №2,
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