What size mains cable to run 200 meters and supply 13 amps at end?

To obtain wire size the voltage has to be known. To run 200 meters and supply 13 amps at the load at 240 volts requires a #4 copper conductor. To run 200 meters and supply 13 amps at the load at 120 volts requires a #2 copper conductor See View Discussion below As always, if you are in doubt about what to do, the best advice anyone should give you is to call a licensed electrician to advise what work is needed Before you do any work yourself on electrical circuits, equipment or appliances always use a test meter to ensure the circuit is, in fact, de-energized IF YOU ARE NOT ALREADY SURE YOU CAN DO THIS JOB SAFELY AND COMPETENTLY REFER THIS WORK TO QUALIFIED PROFESSIONALS.

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