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Not smaller than 3 AWG copper, or not smaller than 1 AWG aluminum. If this is a longer run (say to an out-building) than you need to consider line losses and go with a larger wire size.


There is more to the question than meets the eye. Is this a 100A residential service that you are feeding with the wire in question? Is it a breaker for a sub-panel at a single family residence?

If a Dwelling Service, according to NEC Table 310.15(B)(7), 4AWG copper or 2AWG aluminum is sufficient.

If a sub-panel for a dwelling, you may be able to get by with the same, if the authority having jurisdiction (inspector) interprets this Table in that way.


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.




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11y ago
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14y ago

The voltage of the load or appliance does not matter. If the total amperage is 100 amps, the total connected load (in AMPS) at any given time can not exceed that amount.

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11y ago

3 AWG copper for typical residential applications.

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10y ago

The formula you are looking for is I = W/E. Amps = Watts/Volts.

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13y ago


= Current x Voltage

= 100A x 220V

= 22000W

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6y ago

Depends on the size wire and breaker used.

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Q: How many amps in a 220 volt 10000 watts?
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Related questions

How do you compute the 2000 watts in 220 volt to how many amps?

watts = volts * amps--&gt; Amps = watts/ volts therefore; 2000/220= 9.09 amps

How many amperes in a watt and how many watts in a volt?

Amps, volts and watts are interrelated, but you need to do a little math. Amps * Volts = Watts

How many amps is 4800 watts at 220 volt?

you will need 21.81 amps at 220v

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How many Amps is the fridge pulling? Multiply the Amps by the 120V circuit you're plugging into and you'll get your Watts.

How many amps is 6kW 240 volt single phase?

The equation that you are looking for is Amps = Watts/Volts. There are 6000 watts in 6kW.

5000 watts at 240 volt will draw how many amps?

To find amps if watts and volts are known, use the formula; watts / volts = amps or 5000 / 240 = 20.83 amps

How many watts do you need for 26 amps?

6240 watts if it's on a 240 volt circuit. A better answer is to just learn that amps X volts = watts.

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Not sure about how many Watts your 36 volt charger uses, but you can find out by this formula... Volts X Amps = Watts.

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Volts * Amps = Watts 12 Volt * 2 amp = 24 Watts

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10000 watts / 220 volts = 45.4545 amperes

How many ampere in 240 volt with 100 watts bulb?

Current (amps) = power (watts) / voltage = 100/240 = 0.42 amps