Hi Milwauken,
At 12 volts, with an 80 amp / 960 watt load, 15" wire length, 8 gauge wire, voltage drop is 1.3% or .16 volt.
Changing to 10 gauge wire, V-drop is 2.07% or .25V.
Does anybody know what the actual maximum amps load is on this wire?
Thanks and good health, Weogo