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I am assuming that this is a one and a half HP motor. To wire a 120V 20A motor the electrical code states that the conductor has to be 125% of the motor's full load amps. This equals 25 amps. There is no wire rated at 25 amps so the next size up is 30 amps. A #10 copper wire with an insulation factor of 60, 75 and 90 degrees C is rated at 30 amps. To carry this to a conclusion This #10 wire should be protected by either 60 amp non time delay fuses or 35 amp time delay fuses or a two pole 50 amp breaker.

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14y ago
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14y ago

12 gauge wire is rated for up to 20 amps. Typically you could go by this

14 gauge = 15amps

12 gauge = 20amps

10 gauge = 30 amps

8 gauge = 40 amps

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Q: What gauge wire would you use to wire a 120V 20A motor?
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Could 12 gauge wire is used on a 20 amp circuit at 120V?

Yes.


Can 15 amp rated outlets be used with twelve gauge wire?

A. It's 240 volts & B. Wire size is a function of amperage. 12-gauge wire is used with 20 amperes or less. So, 12-gauge wire can be used with 120V/20A or 240V/20A. Keep in mind though that 240V in the U.S. has 2 live 120V lines so if you encounter a white wire, it's probably an unmarked live & should be repainted as black or better yet, red (to indicate the 2nd live wire).


What gauge of wire for 550V 5.1 amp 3 phase motor?

The only thing you need to know in order to size your wire is the "5.1 amp" amount.Figure on the motor drawing double on startup, so say, 10 amps, or so.18 gauge wire would pack your 5.1 amps just fine, but it is a little flimsy . . . I would use 16 gauge, instead.Of course, the insulation on the wire you select should be rated for 600 volts or more.


Which wires go where when putting a power cord on a 120V compressor motor?

In common house wiring, black is the power wire, white is the neutral, and green is the ground wire.


What wire is the commonwire 120 volt?

The most common wire ran in 120v residential is NM (Non-metallic) sheathed wire such as the brand Romex. 14 gauge wire generally has a white sheathing and can be used on 15 amp circuits such as lighting. 12 gauge wire is thicker, generally having a yellow sheathing and can be used on 20 amp circuits such as those serving receptacles. Considering future demands, 12 gauge wire should be used. Under no circumstances should you ever use 14 gauge wire on a 20 amp circuit.

Related questions

Could 12 gauge wire is used on a 20 amp circuit at 120V?

Yes.


How do you wire 240V to 120V?

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I would recommend you use AWG # 14 gauge which is rated at 15 amps.


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What gauge of wire for 550V 5.1 amp 3 phase motor?

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Which wires go where when putting a power cord on a 120V compressor motor?

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What wire is the commonwire 120 volt?

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