Detect electrical wires in concrete walls?

There are various tools available, they are expensive. Choice of tool depends upon
- Whether you have access to the wire, on one end, or both.
- Is the wire live or not, do we have choice to turn off power or not.
 
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Crazy_Eddy said:
How do people detect buried electrical wiring conduits in our concrete walls?
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What is the purpose? If it is drilling a hole, you can lightly tap with a hammer to find the right spot. If there is a conduit underneath, it will sound "hollow", i.e., it will make a louder sound like "tap-tap". If there is no conduit, it will sound solid or muffled or "thud-thud". You can tap in multiple places to get an idea of the "thud" sound and the opposite of that is the "tap" sound.
 
rsaeon said:

Alternatively, look at your switch box and look for a junction cover nearby, that's a direct path for the wires. Then any other junction cover nearby and see the shortest path to it, that's another path, even if it's diagonal.
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100% this. Usually if three electrical points fall in straight lines then they are connected in that line. Electricians favour parallels and perpendiculars to the floor or ceiling.
 
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