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for USA, Canada and countries running a 60 Hz power supply service.Circuit loading

In North America there shall be not more that 12 outlets on any 2 wire branch circuit. Such outlets shall be considered to be rated at not more that 1 amp per outlet. Where the connected load is known, the number of outlets may exceed 12 providing the load current does not exceed 80 % of the rating of the over current device protecting the circuit. ( This is not found in the National Electrical Code)

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Generally each duplex outlet may count for 180VA. For a 15A circuit = 8 duplex max. For a 20A circuit = 10 max. This is in the Wiring Code, by the way. (This only applies to non-residential applications)

In some states the 3 amp per outlet is still being used. For this case, 6 outlets max. ( What States?)

In dwelling units there is no requirement for a maximum number of outlets on a circuit. The circuit could serve a single room of 500 sq. ft. and serve as many outlets you wanted including the lighting loads. (3 watts per sq. ft X 500 sq. ft.) This is the minimum requirement of the code and not necessarily good wiring practice.

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As always, if you are in doubt about what to do, the best advice anyone should give you is to call a licensed electrician to advise what work is needed.

Before you do any work yourself,

on electrical circuits, equipment or appliances,

always use a test meter to ensure the circuit is, in fact, de-energized.

IF YOU ARE NOT ALREADY SURE YOU CAN DO THIS JOB

SAFELY AND COMPETENTLY

REFER THIS WORK TO QUALIFIED PROFESSIONALS.

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Q: How many duplex outlets can be placed on one circuit?
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Related Questions

How many standard lighting outlets on a 20 ampere circuit?

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


How many outlets can you have on a 230V circuit?

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


How many sockets can be connected into an electric circuit?

6 outlets


How many outlets can be wired to a 20A circuit?

No more than 13.


How many outlets are allowed on a 240 v branch circuit?

1


How many 15 amp outlets on 120 volt circuit?

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.


Can you control 10 outlets with one 20 amp GFCI outlet on one 20 amp circuit?

Yes. I know of no limits to how many regular receptacles (outlets) you can "piggy back" onto one GFCI receptacle. However, in commercial and industrial construction there are limits to how many receptacles can be placed on any one circuit. These limits in the United States and according to the NEC are: 10 receptacles on a 15 amp circuit and 13 receptacles on a 20 amp circuit.


How many elec outlets can a GFCI detect?

7 on a 15 amp circuit and 9 on a 20 amp circuit.


How many outlets on 15 amp circuit?

Install not more that 10 on a 15 amp circuit. You can install 12 if you install a 20 amp circuit.


How many neutral wires are needed for lighting and outlets?

If they are on the same circuit you only need 1 neutral wire in the circuit.


How many outlets can you have on one circuit?

In Canada the CEC states there shall be not more that 12 outlets on any 2 wire branch circuit. Such outlets shall be considered to be rated at not more that 1 amp per outlet. Where the connected load is known, the number of outlets may exceed 12 providing the load current does not exceed 80 % of the rating of the over current device protecting the circuit. In the United States, in commercial and industrial installations, you are limited to 10 receptacle outlets on a 15 amp circuit and 13 receptacle outlets on a 20 amp circuit. This is computed by rating each outlet at 180 watts and dividing that into the maximum rated wattage of the circuit. On lighting circuits you are limited to 80% of the rating of the circuit without any other limitation on how many lights can be connected. In dwellings in the United States there is no limitation on how many outlets (which is the box, not the device) that can be placed on an individual circuit. This is because it is presumed that, assuming the system is professionally installed, it is highly unlikely to overload an individual receptacle circuit in a home. It does happen, but the breaker protects the circuit. You run into this problem most often in older homes where having a toaster, coffee maker, microwave, refrigerator, ceiling light, etc etc was never imagined. Newer homes are wired to reduce the likelihood of this problem.


What would cause three outlets to be low voltage and all the others in the room to be fine?

its an overload on the circuit breaker the 3 outlets are on.. many times groups of outlets are on different circuit breakers.. even though they are in the same room... especially if some are on a gfi outlet


How many outlets are there?

Up to 12 on a 20 amp circuit. Up to 9 on a 15 amp circuit. But use common sense. If the circuit will be heavily loaded, as in a home office, then do not install that many.


How many lights and outlets can be on a 15 amp circuit?

Any combination up to 12 outlets. The count includes switch boxes and receptacles. If the wattage is known on a dedicated circuit up to 1200 watts on a single receptacle.


How many outlets on one 15 amp circuit?

eight In Canada there shall be not more that 12 outlets on any 2 wire branch circuit. Such outlets shall be considered to be rated at not more that 1 amp per outlet. Where the connected load is known, the number of outlets may exceed 12 providing the load current does not exceed 80 % of the rating of the over current device protecting the circuit.


How many computer outlets can go on a 10 amp circuit?

About 8 amps worth, if you derate the circuit for 100 percent duty cycle.


How many lights and outlets can be installed on one circuit?

Depends on if it is a 15 amp or 20 amp circuit. You can install no more than 12 outlets on a 20 amp circuit or 9 outlets on a 15 amp circuit. You can install no more than 1920 watts on a 20 amp lighting circuit or 1440 watts on a 15 amp lighting circuit. If it is a 20 amp circuit I would not install any more than 8 outlets and 4 lights. If it is a 15 amp circuit I would not install any more than 6 outlets and 3 lights. This only applies to living spaces like bedrooms, living rooms dining rooms, and not to kitchens, baths, utility rooms, garages, etc.


How many volts are in a duplex?

A duplex outlet is 115vac.


How many outlets can be run on one 15 amp circuit in Ohio?

Depends on the anticipated loads. Six would be a typical layout in a residence. There is no restriction on the number of outlets on a circuit in a residential setting, however the circuit should only serve 500 square feet of the dwelling.


How many outlets and light can you put on a 15amp circuit breaker?

You should install no more than 9 outlets. If you add a 75 watt light then install no more than 8 outlets and that 1 light.


How many wall outlets can you have in a circuit using a A breaker?

Assuming this is not an office of a place where lots of the outlets will be used to power items that draw lots of current on a 15 amp circuit wired with 14/2 wire I would limit it to no more than 10 outlets and lights combined. On a 20 amp circuit wired with 12/2 wire I would limit it to a 14 outlets and lights combined. There is no limit in the code. You just use common sense based on what is going to be used on this circuit.


On a 15 amp circuit how many electrical devices can be used?

Circuit loading In Canada the code rule is, there shall be not more that 12 outlets on any 2 wire branch circuit. Such outlets shall be considered to be rated at not more that 1 amp per outlet. Where the connected load is known, the number of outlets may exceed 12 providing the load current does not exceed 80 % of the rating of the over current device protecting the circuit.


How many receptacles are allowed on one circuit?

In Canada there shall be not more that 12 outlets on any 2 wire branch circuit. These outlets include switch boxes and fixture boxes along with receptacle boxes. Such outlets shall be considered to be rated at not more that 1 amp per outlet. Where the connected load is known, the number of outlets may exceed 12 providing the load current does not exceed 80 % of the rating of the over current device protecting the circuit.


How many outlets can you have on a gfi breaker?

The electrical code does not have a requirement for the total number of outlets that can be installed on a GFCI circuit. It is the total wattage that will be used on that circuit that determines the number of outlets you can install. A 20 amp circuit at 120 volts equals 2,400 watts. The total safe load is 60% of that 2,400 watts or 1,440 watts. As long as you do not exceed that limit you can install pretty much as many as you want. I personally try to never exceed 15 maximum on a circuit if I know for sure they will never be overloaded.


How many eletrcal outlets can you have in a garage?

There is no limit as to the amount of circuits you can have in a garage. If you mean how many devices on a 15 amp single circuit breaker then the answer is 12. Be sure to total in light fixture outlets and switch boxes.