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View Full Version : Estimate wattage on 120v line

derrickgj
Dec 15, 2007, 08:01 AM
I want to estimate how much wattage can fit on a 120v line?
Stratmando
Dec 15, 2007, 08:21 AM
120 Volts X 20 Amps is 2400 Watts, I would figure 1920 Watts usable(80% for circuits 3 or more hrs.