Wiring to trailer batteries, what gauge would you use?

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Old 07-06-2017, 07:41 PM
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Originally Posted by 1979 Ford
You'd likely be okay with 14 AWG. However, 12 AWG would be a bit better, IMO. 10 gauge would work just fine, too.
i carried a roll of jacketed 12 ga for brake runs.

Steve
 
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Old 07-06-2017, 10:15 PM
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steve, run some up to my house for me will ya?
 
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Old 07-06-2017, 11:16 PM
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Originally Posted by seventyseven250
Chucks link seems to suggest 14 AWG would be fine.
Thought I'd quote myself here, and say that while I haven't measured it, I'm estimating that the distance from the batteries to the axles is around sixteen feet, let's say twenty some slack and routing. Based on chucks chart, a distance of 20' with 12 amps would be fine with 16 Ga wire. So 14 is good, and past the point where the current splits to the four brakes, it's far overkill.

Since that 14ga is readily available and affordable, that's what I'm going to use.
 
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