Find Buried Electrical Wires

@lmccoig

10 years ago

https://everycircuit.com/circuit/4704658250006528

Wearing headphones ( the two vertical resistors) connected to ends of 1 lb. coiled bell wire ( where 1 nH coil is) and moving of coil of bell wire over surface ground, we listen for strong buzzing sound to signal A.C. power line.