live wire sensor

  
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This electronic device works similar to a metal detector but it does something special: it detects live electrical wires. Such a gadget is highly useful for electricians doing repair or renovation jobs. Being able to detect hidden wires will highly reduce the risk of damaging or cutting through them thus making the job safe and fast. This circuit
live wire sensor - schematic

is specially designed for locating live wires embedded inside non-metallic walls like concrete or wood. The actual current detector used is an ordinary telephone pick-up coil. This makes the construction of the circuit much simpler compared to winding your own detector coil. The telephone pickup coil detects the magnetic field created by a live wire.



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