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Old 11-21-2018, 10:47 PM   #24 (permalink)
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Originally Posted by oil pan 4 View Post
8 gauge is made to handle 40 amps but not for continuous use. In the US we derate the wire to 80% for continuous use of 20 minutes to 3 hours.
The electrical code definition of "continuous use" varys a lot.

10kw charging anywhere I can get power is going to be tremendous.
Hmm. Our rules are more different than I would have guessed. Link below. Up here #6 is good for 60A continuous at 75C temperature rise

These are the 2012 rules, I think. Our most recent rules (2016 maybe?) allow for a bit more ampacity than listed ... but they are not available for free online
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