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Quote:
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Guesses for breakers:
Furnace – 30 amp
Dishwasher – 20 amp
Range - 50 amp
Total house outlet breakers – 40 amp
Dryer – 30 amps


The Dishwasher would only count as 10 amps in that simple calculation,
because it's a 120V circuit. (Things are actually slightly more complex than that,
but not enough to matter for this purpose)
.


Yea, I thought I was a little high on the dishwasher
I figured maybe some of the units that heat water quickly may draw a bit more


Yes, your 20A number was totally correct (code, actually),
but it's 20A at 120V, whereas all of the other numbers given there
were for 240V circuits. So the DW really only counts for 10A
when considered for the 240V sums. That's all.

Cheers