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Will 2.5mm wire conduct 240 volts?
You size wire by the current. Various insulations are rated for voltage, temperature and the medium where the wire will be run.
What gauge wire for a jacuzzi with a 40 foot run?
Depends on the amperage of the Jacuzzi and if it is 120 or 240 volts.
How do you wire a 220v dryer to run on 110?
You can't. A 220 volt dryer requires 220 volts in order to operate properly. It will not run on 110 volts.
How many watts can run through 12-3 wire?
Wire is rated in ampacity, You can use only 80% of the rated ampacity. Voltage and amperage are inversely proportional. So at 120 volts alternating current you safely run 1800 watts ( I have added a small safety margin). At 240 volts you can run 3600 watts. I hope this has answered you question Ampsxvolts=watts watts/volts=amps
What is the distance you can run 10-2 wire?
Depends on what it is powering. The longer the run the more voltage drop you get. For example if you run 200 feet of copper 10 wire you'll lose about 4 volts. There are voltage calculators you can use. The less volts you have the more amps the wire will have. Watts/volts=amps. 10 wire is rated for 30 amps. Do the calculation. You should not go past 80% of 30 amps (24 amps).
