LISTENING TO THE WALL

LISTENING WALLHaving estimated the location on the wall overhead shelves, cabinets, or perhaps carpet, not in a hurry so just drilling the holes in the wall. It may well be that the concrete wiring. There are, of course, different electronic devices, which will easily detect the dangerous zone. However, in the absence of such devices it is possible to use the sensor from the output transformer of a radio receiver, or PA speaker — you only need to touch his core and connect the high resistance coil to the head phones. Moving the sensor along the wall, carefully listen for: close to a wire under current, headphones you hear a distinctive background AC.

Recommend to read

  • SHOES FOR THE “LUNOKHOD”SHOES FOR THE “LUNOKHOD”
    Wheeled ATVs (all terrain vehicle jokingly called the homebrew "karakachani" or "Rovers") on low-pressure tires (often referred to as the "Pneumatics") is a very popular car among...
  • CAR FOR THE CITYCAR FOR THE CITY
    It is not easy to surprise residents of the city of Tolyatti with a new car. On their streets they are the first to meet promising models from the Volzhsky Automobile Plant and new...