'electrical wire' is correct and usable in written English.
Example sentence: The electrician ran the electrical wire along the wall.
Drilling through a live electrical wire can cause serious electric shock injury.
Detainees - among them hundreds of children, many housed alongside adults - face torture and extreme physical cruelty, including electric shocks, sexual violence, and beatings with electrical wire.
We had an electrical wire fall down.
A live electrical wire had been thrust into the bus.
"You can see the electrical wire," he said.
Old electrical wire can also be reused if it's up to code.
Inside the wiper is an electrical wire similar to the wires inside a toaster.
Ms. Carbonell started checking on fencing, including electrical wire, plastic mesh and woven wire.
Each time the chemical prevented an electrical wire from overheating, some of it had been escaping.
The casing had been filled with gunpowder, sharp metal nails and electrical wire, the F.B.I. said.
The infinite knot was made of frayed rope bound with black electrical wire.
