CPWS buys electricity from TVA and it leaves there at 500,000 volts. It goes from there to our substations at 161,000 or 46,000 volts. Then, it leaves the substations at 13,000 volts.
Electricity flows just like water flows through water lines.
That is, electricity will flow through them. Insulators will not carry electric current. That is, electricity will not flow through them. Some examples of insulators are Glass , Rubber , and Plastic . If a power line falls on a fence, you should never get anywhere close to the fence.