The phrase "a wire on a" is correct and usable in written English.
It can be used in contexts where you are describing a wire that is positioned or attached to something else.
Example: "I found a wire on a shelf that seemed to be connected to the main power supply."
Alternatives: "a wire attached to a" or "a wire connected to a".
The I.R.S. conducted "Dumpster dives" into his garbage and put a wire on a female undercover agent hoping to find some dirt on him.
"It's a 1984 Volvo," said Richard Carter, crimping a wire on a plastic lobster while the strains of "Rock Lobster" by the B-52's drifted through Flushing Meadows Corona Park.
Horses and thermal mud baths were available, but our favorite diversion was the canopy tour, an operation in which the tourist rides a wire on a kind of breeches buoy from elevated platform to elevated platform at a speed controlled by a hand brake, literally one's hand encased in a leather glove.
The system assumes that motion along a wire on a surface comes with a different cost in terms of kinetic energy, e.g. due to effective mass effects.
Laser cladding is a surface engineering technique allowing depositing material of a different nature in the form of a powder or a wire on the surface of a metallic part.
Steady-state concentration patterns may exist on a catalytic wire on which an isothermal bimolecular Langmuir Hinshelwood reaction occurs.
Safety investigators are examining whether a pinched wire on a harness connecting a battery to the transmitter caused or helped spread the fire.
It's a 20-inch piece that features a web of nickel-plated wire on a bronze stem.
He was killed at the age of 20 by a German sniper while repairing barbed wire on a moonlit night in a stretch of no man's land.
The diaphragm comprises a flexible cone of large area carrying a coil of fine wire on a small ring located at its apex.
A grounded wire on a lightning rod leads large electric charges from the atmosphere directly to Earth, preventing them from taking other paths that might result in damage to property or injury to persons.
