He wanted to know if the interior was guarded by bare wires.
It was a little like getting a shock from a bare electrical wire.
Here, hook up these two clamps on the bare wires.
Take one in your mouth, hold it by the Insulation-do not touch the bare wire.
In general, it is made from a small gauge bare conductive wire.
Inside there's a metal, but it's not just two bare wires is it?
Any bare or green-insulated wire that you see is a ground connection.
This can happen when two bare wires in a circuit touch each other.
The same effect could have been obtained with no circuit at all, just a bare wire!
Every utility pole on the planet has a bare wire like this.
