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Alternator wire size

rich_b

Contributing Member
i have a 140 amp alternator.i

i have a 140 amp alternator.i need to run approx 16 to 18ft of wire to batterys.batterys are in the front of boat.what size wire should i use.
 
"You've Already Got wires

"You've Already Got wires running to the Batteries,......

Just a short run of 10ga. to the Battery Wire on the Starter is All you need....."
 
"bondo,
I'm guessing he i


"bondo,
I'm guessing he is trying to charge the trolling motor batteries in the front of the boat."
 
i have 3 125 amp hr batteries

i have 3 125 amp hr batteries for the house bank in the v berth.wondering what size wire to run from alternator to bow.140 amp alternator and need to run wire 16 to 18ft.
 
"batteries are in the v berth?

"batteries are in the v berth? Do you sleep there? Batteries when charging produce explosive, toxic gases. worth considering."
 
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