A #12 copper wire with an insulation factor of 75 or 90 degrees C is rated at 20 amps. A 12 AWG wire should not be connected to a breaker larger than 20 amps. The wire is capable
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16 Gauge wires can carry between 3 and 25 amperes depending on the length of
http://www.chacha.com/question/howmanyampscan1...

your breakers in your house are 15 amps and 20 amps for duplex recepticles in your house.to be safe use a cord rated for 15amps.then ohms law is amps x volts = watts.so 15 x 120 volt
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Ok three feet to a switch is 1.5 to and 1.5 back, 3 feet to and back is 6 feet, if this is just a switch in series to the fuse, no issues, 6 wire will hold 30 amps constant
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