Forum Discussion
DrewE
Mar 24, 2020Explorer II
Yes, 18 gauge is sufficient.  The ampacity of the cable is somewhere in the vicinity of 7A, or possibly more depending on the temperature rating and type of the cable.
Your computation of current available is correct. The actual current that flows depends on what you plug into the other end of the cord, just as for a household outlet or battery or any other voltage source.
Your computation of current available is correct. The actual current that flows depends on what you plug into the other end of the cord, just as for a household outlet or battery or any other voltage source.
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