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No, it really doesn't work that way. If you saw that in actual practice it was not because of the order of cords, but because of a bad connection someplace that was corrected when you swapped the cords around.
You can model the three cords as three resistances in series going to the...
ginbart-----
Sorry sometimes I get carried away.
okay watts divided by voltage equals amps.
So in your case if you are using the extension cord for your cookie tin heater (25w) and a 60w light bulb.
25+60 = 85w
85w divided by 110v = .772 amps
At that load actually a 16 gauge cord would...
Yes! #12 ga copper may be "overkill" but power up to 20 amps would be available. #14 ga while big enough for 15 amps of service in theory, and used in dang near every home being built today, over a distance 200 ft if anything beside a light bulb is needed in the future it wwould not be adaquate...
watts divided by volts equal amps
14 ga extension cords are good for a max of 15 amps up to 100' after that voltage drop would come into play. No problem running a light bulb or maybe a small heated waterer. Her in La we do not need the heated waterers so I am not familiar with electrical...