<jargon, hardware> (IBM) Patch wires installed by programmers who have no business mucking with the hardware. It is said that the only thing more dangerous than a hardware guy with a code patch is a softy with a soldering iron.
Compare blue wire, yellow wire, purple wire.
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Nearby terms: Redundant Array of Inexpensive Disks « Redundant Array of Inexpensive Servers « Redundant Arrays of Inexpensive Disks « red wire » red zone » re-engineering » re-entrant