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kittysmitty
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# Posted: 11 Feb 2024 03:14pm
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So I have some copper flat bar that I might use for battery interconnects, but trying to calculate the gauge size. It measures 1/2 inch by 1/4 inch. By my calculations looks like just over a 3/0 gauge.
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Brettny
Member
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# Posted: 11 Feb 2024 04:09pm
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Looks plenty thick to me.
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gcrank1
Member
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# Posted: 11 Feb 2024 05:37pm
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Inquire up something like:
diy copper buss bar', diysolar.com
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ICC
Member
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# Posted: 11 Feb 2024 05:56pm
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copper bar ampacity chart
The chart above has ampacity for a whole range of sizes of copper bar stock. If you do a search I'm sure you can find similar info for different sizes of copper or aluminum cable and wires.
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kittysmitty
Member
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# Posted: 12 Feb 2024 06:21am
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ICC, thanks for the chart. looks like good for around 240 Amps, so my rough calculation was close.
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