In article , Terry wrote:

If you use this web page and try using 16A which would be the max on a
20A circuit you get 5% voltage drop in just the branch circuit.

The maximum load on a 20A circuit is... any guesses? ...wait for it... 20A.

16A is the maximum *continuous* load on a 20A circuit.

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Regards,
Doug Miller (alphageek at milmac dot com)

It's time to throw all their damned tea in the harbor again.