If you have chose to include lights and also outlets to the exact same 15 amp circuit, you have to take a minute to identify the variety of lights and also outlets you can add. This matters since the not correct number could overload her circuit.

You are watching: How many outlets per 15 amp breaker

That isn’t a an easy inconvenience. That is likewise dangerous. You could start a fire. If you desire to stop such hazards, pay close attention to the variety of lights and outlets on your circuit.

How numerous Lights and also Outlets have the right to Be ~ above a 15 Amp Circuit?

There is no border to the number of outlets and also lights girlfriend can include to a 15-amp circuit. However, you shouldn’t exceed the rating the the circuit. An ext importantly, friend shouldn’t add a fill that is an ext than 80 percent of the circuit’s preferably capacity.

To answer this question, you have to take a few factors right into account:

1). Regulations

As with everything else, you need to take the regulations into account. Every an ar has an electrical code that contractors must follow whenever they make electrical installations. Your contractor’s failure to adhere come the requirements of the law might attract serious after-effects such together hefty fines.

This is why you have to inspect with the National electrical Code and even the regional code before you proceed. From Wikipedia, you find out that the National electric Code is not mandated by the commonwealth Government. In other words, countless states monitor the NEC’s guidelines due to the fact that they want to take a an ext standardized strategy to the enforcement of electric practices.

But castle can pick to collection their very own codes that contradict the requirements of the NEC. If the electric codes in your area differ from the NEC, you must follow the neighborhood codes. They take it precedence

The NEC does no specify the number of outlets and also lights you can include to a 15 amp circuit. For the many part, you are totally free to include as countless lights and outlets together you want. However, your local authorities may have laws that govern this issue. check with them prior to you proceed.

2). Load

You have to compare the ratings that the receptacles you desire to add to a circuit to the rating that the circuit. This will display you the variety of receptacles the circuit have the right to accommodate.

In this case, you have actually a 15-amp circuit. It is usual practice to entrust 1.5 amps to the mean light or outlet. Through that in mind, you can technically conclude the a 15-amp circuit can accommodate a total of 10 lights and outlets. Yet that isn’t practically true.

3). Rating

The NEC no say anything around the number of lights and outlets you can include to a circuit. Yet it has regulations that will indirectly impact your decision in this area. According to SFGate, the NEC expects builders to count just 80 percent the the rating of the circuit.

You space not permitted to pressure a circuit breaker to carry much more than 80 percent the its rated load. In other words, if you have actually a 15-amp circuit, you have the right to only counting 12 amps.

What does this mean? A 15-amp circuit is compatible v 8 outlets and lights. The objective is to offer the circuit room to handle any temporary surging that could occur once you include a an effective appliance the draws a the majority of power.

Why Outlets room Complicated?

Between outlets and lights, you have fewer limits on the number of outlets you have the right to have. You need to take the wattage the the lights right into account. Outlets room not impacted by this limit.

However, they are far much more complicated. That is mainly a question of the appliances you will plug right into them. In the lack of an appliance, girlfriend can add as many outlets together you want because they won’t attract any far-ranging power.


Once friend have added your outlets, girlfriend must use caution as soon as attaching appliances. Because that instance, just due to the fact that you added a dozen outlets to a circuit doesn’t mean you deserve to plug a dozen appliances into those outlets in ~ the exact same time.

The complete rating the the appliances you attach to the outlets can not exceed the rating that the 15 amp circuit. Otherwise, you will certainly overload the circuit.

How many Lights and Amps can Be added on a 20 Amp Circuit?

If every receptacle has a maximum attract of 1.5 amps, you have the right to technically include 13 receptacles. But because the pack cannot exceed 16 amps (80 percent), the valuable answer is 10 receptacles.

Factors You have to Keep in mind When including Outlets and Lights come a Circuit

When it comes to including outlets and lights, the adhering to guidelines may assist you:

1). Together was provided before, you can include as numerous outlets to a 15-amp circuit together you want yet you should limit the number of appliances girlfriend plug right into those outlets. If you exceed the rating of the circuit, the breaker will trip.

For those seasons, powerful appliances such together heaters that attract a most power should use circuits that have actually the smallest number of receptacles. Friend are less likely to overload the circuit.

2). When it has actually its drawbacks, homeowners are sometimes motivated to place outlets and lights on the exact same circuit. This is due to the fact that lights draw very tiny power. This enables you to spread out the power consumption among the assorted breakers in your electrical panel.

3). You must think about placing powerful items like washers on committed circuits wherein they don’t have actually to contend with various other appliances. This also reduces the chances of the circuit gift overloaded.

4). Distribute your outlets transparent the house. Don’t concentrate them in one location. This eases access to electricity, eliminating the require for strength extensions. Strength strips and also extensions are quick term solutions. Lock are connected with plenty of hazards. Girlfriend are better off adding much more outlets to her home.

See more: 10/24 In Simplest Form - What Is 10/24 Simplified


There is no limit to the number of outlets and also lights friend can include to a 15-amp circuit.

Where the outlets are concerned, girlfriend can include as countless of them as you want. However, you should ensure that the appliances you have actually attached carry out not exceed the circuit’s capacity. Salary close attention to the NEC and the neighborhood codes and regulations.