that's not true. if that were true then wire size might as well be as large as the section the fuse is. if 1/0ga. wire is trimmed for about 1inch then it won't effect the overall current flowyea? well heres a problem. that amp can only take what can fit in the power connection, so if 0 gauge is shrinked to 4 gauge to fit in there, guess what size wire the amp is still getting?