How To Find Wires In Walls. Use your transmitter to plug a single prong, or lead, into an electrical socket of the wall you're next, a remote lead with a longer wire into the transmitter, and plug this lead into a separate wall socket. Use your electric wire detector to find out exactly where the wires run through the walls.
This is a common scenario when trying to find studs above a fireplace, where there may not know actually be any studs to find.
First you need to find and avoid electrical wires in your wall. How to find wires | using a wire tracer. How to hide cords on a home improvement stores sell the flat screen in wall cover and power kits. Well, not actually history, but the cords are now running behind the wall.