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12 awg is larger.

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Q: Which is larger in diameter12 AWG or 15 AWG wire?
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What size wire do you need for 15 amps?

AWG 10.


Can 12-2 wire be used where only 14-2 wire is required?

Yes the ampacity of #12 is 20 amps whereas the ampacity of #14 is 15 amps, so you are well within the range using #12 wire.


What is the smallest copper wire size permitted by the national electric code for a 20 amp single phase electrical circuit?

I think you mean either what is the correct size or minimum wire size needed when a branch circuit is protected by a 20 A breaker. The size is 12 American Wire gauge (AWG). 14 AWG is used for 15 A circuit and 10 AWG for a 30 A breaker. The lower the gauge the larger the cross-section of the wire.


What gauge for wire can you use with a 15 amp circuit?

14 AWG.


What size wire and breaker do you need for a 5000 watt garage heater?

Look on the heater and see what amps it is pulling. That will determine the wire size and breaker size. It must be on a dedicated circuit. 15 amps = AWG # 14 wire with 15 amp breaker 20 amps = AWG # 12 wire with 20 amp breaker 30 amps = AWG # 10 wire with 30 amp breaker 40 amps = AWG # 8 wire with 40 amp breaker


What is the equivalent of 14 AWG standard wire in UK?

14 AWG wire has a cross-section of 2.07 square millimetres so can be used up to a limit of 15 amps.


What can you operate on 120 volts at 30 amps?

Yes, if you are using AWG # 10 wire. If you are using AWG # 12 then the answer is no you must use a 20 amp breaker. On AWG #14 wire you must use a 15 amp breaker.


Is the wire running to a 20amp breaker different from a wire running to a15amp breaker?

Yes, a 20 amp breaker requires AWG # 12 copper wire. A 15 amp breaker requires AWG # 14 copper wire.


What is larger 12 gauge wire or 20 gauge wire?

Yes, a #12 AWG conductor has a greater diameter than a #14 AWG conductor. A #12 conductor has an ampacity of 20 amps whereas a #14 conductor only has an ampacity of 15 amps.


How do you wire a 15 amp circuit?

Use a 15 amp breaker and 14 AWG wire and all switches and outlets rated at 15 amps or greater.


What is the differnet between 15 amp and 20 amp?

5. You are probably asking about wire size. 15 amps is typically 14 AWG and 20 amps is 12 AWG.


Is American Wire Gauge a standard used to describe the size of a wire?

Yes. It is abbreviated as AWG. For example, in residential wiring the size wire to use on a 15 Amp circuit would be 14 gauge or 14 AWG.