# Question: How many outlets can be on a 30 amp circuit?

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The NEC states that you can only have 30-amp receptacles on a 30-amp circuit. If its a multi-outlet circuit, you can have a 20-amp breaker protecting the #10 conductors and use 15amp and 20amp receptacles on the circuit.

## How many plugs can be on a circuit?

The National Electrical Code (NEC) does not limit the number of outlets per circuit. The NEC only states that a circuit cannot supply more than 80% of the circuit breakers limits. This is so the circuit breaker does not constantly trip during regular use.

## What size wire should be used with a 30 amp breaker?

10-gauge wire RULES OF THUMB. Many techs will repeat these rules of thumb and rely on them in all circumstances: “Twelve-gauge wire is good for 20 amps, 10-gauge wire is good for 30 amps, 8-gauge is good for 40 amps, and 6-gauge is good for 55 amps,” and “The circuit breaker or fuse is always sized to protect the conductor [wire].”

## How many amps can you put on a 30 amp breaker?

Keep loads within the safe maximum for each breaker. The safe maximum calculation is 80%. If breaker is rated 30 amp, then 30 x . 8 = 24 amp safe maximum.

## Can lights and plugs be on the same circuit?

Basic answer to your question of can a mixture of lights and receptacles be installed on a single circuit is yes. Check with local authorities on those limitations but yes it can be done. The groundwork for all AC circuits which are wired in what is known as parallel circuitry.

## Can I use 12 gauge wire on a 30 amp breaker?

“Twelve-gauge wire is good for 20 amps, 10-gauge wire is good for 30 amps, 8-gauge is good for 40 amps, and 6-gauge is good for 55 amps,” and “The circuit breaker or fuse is always sized to protect the conductor [wire].”

## How many outlets and lights can I put on a 30 amp breaker?

The NEC states that you can only have 30-amp receptacles on a 30-amp circuit. If its a multi-outlet circuit, you can have a 20-amp breaker protecting the #10 conductors and use 15amp and 20amp receptacles on the circuit.

## 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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