Question: What wire do I use for a 30 amp breaker?

For a maximum of 30 amps, youll need a wire gauge of 10. The most common household item that requires a 30 amp circuit is a central air conditioner.

What wire is needed for 220V 30 amp?

A 30 Amp circuit is needed for most 220V tools. You will need to run a 10-2 to the outlet. 10-2 copper wire is usually good for up to 40 Amps on start loads and 35 Amps on constant load.

What wire do I need for a 20 amp breaker?

A 20-amp circuit, protected by a 20-amp breaker or fuse, must be served by 12-gauge or 10-gauge wire.

How far can 10 gauge wire carry 20 amps?

How Far Can You Run 10 Gauge Wire? You can run a 10 gauge wire up to 85 feet on a 20 amp circuit. If you opt to use this type of wire on a 15 amp circuit, it can run up to 115 feet. After these distances, the circuit will go over the recommended 3% voltage drop.

Can you use 10 gauge wire on a 20 amp breaker?

2 Answers. Yes, you can use 10 AWG copper conductors with a 20 ampere breaker. The smallest size conductors you could use with a 20 ampere breaker, are 12 AWG copper conductors. Theres no problem using larger conductors, other than cost to you, and difficulties associated with working with thicker conductors.

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