Cable size / loss

[deaft4guy]

I went to a cable calculator and entered length and voltage and current and for 100 amps at 12volts for 3 meters it said I needed 120mm2 lol, then I saw an option for acceptable loss, it was on 1%. I went down until 3% was 50mm2. What should I select as acceptable loss?

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[adulbrich 5,000+ posts]

100 amps at that length, 4 gauge OFC would be fine

 

[HI-C 10+ year member]

What kinda of amplifier you planning on running with that?