Lugs on #4 battery wire?
Need some education again - or maybe toss a coin. Running 10ft cable from 30A solar controller to breaker box and then to battery. The last 5ft from breaker box to battery is #4 wire with lug at one e...
Forum Discussion
smkettner wrote:
Get the heavy wall and have them make up the cable for you.
I will second that.
NOTE: #4 wire is fairly common....Starter cable is often #4,, you might be able to get 'em pre-fab at your Auto-Zone.
But the heavier wall and thicker lug will have lower resistance..and even a tiny fraction of an ohm can be significant in solar systems.
