8 Gauge Wire, for Automotive Power/Ground, Battery Cable, Car Audio, RV, Amp, CCA, Automotive Wire, Amp Kit, Battery Cables, Wiring Kit, (30 feet Each- Black/Red) 8 Gauge Wire - 30 ft Each is up for auction in Automotive. The current bid is $12.00, 20% below the $14.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.