From what i can tell with the National Electrical Code the smallest wire listed is 18 AWG that is listed at 7 amps and 5.6 for continuous loads which is running for more then 3 hours at a time so i would rate a 20 AWG at about 5 amps MAX and 2.5 for continuous but good luck with that
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Here is my full question - A typical 120-volt household circuit delivers 350 watts of power to an appliance, and another 10 watts of power are consumed by the circuit. There is no ground fault. a. How much current is carried by the hot wire? b. How much current is carried by the neutral? c. How much current is carried by the grounding conductor? d. Calculate the resistance of the circuit: by "consumed by the circuit" I assume you mean consumed by the wires. Assuming resistive loads only, the total load is 360 watts, thus the current is 3 amps. The current flows in the hot and the neutral.
720 C
It measures current by creating a coil around the current carrying wire. Current flowing in the wire induces a current in the amp-meter proportional to the current flowing in the wire.
The wire size depends on how much current it will conduct.
The current capacity varies depending on the length and diameter of the wire