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In a new house with only the standard outlets in the garage on a 20 amp breaker what is the biggest breaker you can put on the circuit?

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2015-07-16 18:29:06
2015-07-16 18:29:06

Could you clarify the question please.

You can't just upgrade the breaker. Its calculated on wire size and other things. You'll have to run different wire if you want to up your amps.

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Depends on what the outlets are controlling, size of the wire, and size of the breaker.

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16 outlets or 80% of the total Amperage of the circuit.

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Two 20 Amp circuits with the outlets staggered so a different circuit is on two adjacent outlets. Should be GFCI protected.

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Depends on the size wire used in the circuit. If you wired the circuit with AWG #12 wire on a 20 amp breaker then you can install no more than 12 outlets. If you wired it with AWG #14 wire on a 15 amp breaker then install no more than 9 outlets. This is assuming only outlets are on the circuit and nothing else.

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Your home electrical wall outlets current capacity is governed by the breaker that feeds that circuit. In most home situations the wall receptacles are fed with a 15 amp breaker. Dedicated outlets could have a higher ampacity as they are installed for specific appliances or devices. To check your circuit, plug a lamp into the outlet. Start flipping the breakers off. When the lamp goes out that is the breaker for that circuit. Look on the handle of the breaker and it will tell you the capacity of that particular circuit.


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