Difference Between 15-amp and 20-amp Outlet (With Table)

Two electric outlets, namely 15-amp outlet and 20-amp Outlet are very popular all across the world, and while these two are used by many people interchangeably, they still carry a lot of differences. It becomes very important to distinguish between these two as they are very important elements of our daily life.

15- vs 20-amp Outlet 

The difference between that 15-amp Outlet and 20-amp Outlet is that the former happens to be an electric outlet that not only happens to be compatible with a 15-amp outlet but a 20-amp outlet as well. This results in massive demand and availability of this outlet all across the world. But on the other hand, the latter refers to be an electric outlet that can only be compatible with a 20-amp outlet and not any other kind of outlook. Apart from this, there are numerous differences between these two because of their attributes and purposes. 

The 15-amp electric outlet happens to be very common all across the world, and it is widely used in places where the utilization happens to be minimal to moderate. This outlet can be recognized very easily as the electric holes in this outlet appear as rectangles. A very unique feature of this outlet is that this is not just compatible with a 15-amp outlet but a 20-amp outlet also. 

But on the other hand, the 20-amp outlet happens to be very popular due to the fact that it can easily make itself compatible with large electrical appliances. This outlet can easily be found in places where the utilization of electricity is very high such as washing machines and refrigerators. A unique feature that helps to recognize this outlet is that it contains a pin on the left of its corner with the shape of the letter T. The only drawback is that this outlet happens to be compatible with only a 20-amp outlet and not with a 15-amp outlet.  

Comparison Table Between 15- and 20-amp Outlet 

Parameters of Comparison 15-amp Outlet 20-amp Outlet 
Meaning  A very prominent type of electric outlet that is used at small-scale appliances. a very prominent type of electric outlet that is used in large scale appliances 
Structure  this outlet contains one or two main holes along with a principal hole with the shape of the letter U. this outlet contains 2 principal holes in the shape of the letter T at the very left corner. 
Purpose  This outlet satisfies small scale power consumption uses this outlet satisfies large-scale power consumption uses such as industry level uses. 
Compatibility this outlet happens to be compatible with a 15-amp outlet and a 20-amp outlet as well this outlet happens to be compatible with a 20-amp outlet only 
Popularity  this outlet is more popular as it offers much compatibility this outlet is less popular as it offers less compatibility 
Found with this outlet is majorly found being used with small appliances like television etc. This outlet is majorly found being used with large appliances like refrigerators and washing machines etc. 

What is 15-amp Outlet? 

A 15-amp outlet, also known as the 15-ampere outlet, happens to be a very prominent type among all the electric outlets available in the public domain. The reason behind this popularity is that this supported almost all the small-scale appliances available in our person’s house and happened to be very compatible and easy to use. 

Usually, this outlet comes in two major types. One happens to be a two-prong outlet, and the other happens to be a three-prong outlet. In the very first one, there exists a primary hole along with the principal hole resembling the shape of the letter U. And in the second one, there exist two primary holes along with one principal hole with the shape of the letter U. 

The major reason behind the popularity of this outlet is that it happens to be compatible with a 20-amp outlet as well. This simply implies that it can be used with a 20-amp outlet also. Generally, this outlet is used with small-scale appliances such as a television and a computer, etc. 

What is 20-amp Outlet? 

A 20-amp outlet popularly known as a 20-ampere outlet is a type of electric outlet that has made an entrance in the market of electric appliances in the past ten years. With the changes in time and the utilization of the electric industry, this particular outlet made its debut and became very popular in a very short span of time. 

This appears as a horizontal outlet with two pins present at the left corner of it, resembling the shape of the letter T of the English language. However, a major drawback with this outlet is that it can only be used with a 20-amp outlet only and it is not compatible with any other outlook. 

In most cases, this outlet is used at places where large electric appliances are deployed. These appliances include refrigerators, washing machines, microwaves, heavy machines, etc. Due to its lack of compatibility with other outlets, it is rarely used in households and is mostly used in industry-based properties. 

Main Differences Between 15- and 20-amp Outlet 

  1. A 15-amp outlet happens to be more compatible with small-scale appliances, while a 20-amp outlet happens to be more compatible with large-scale appliances. 
  2. A 15-amp outlet contains a principal hole with the shape of the letter U while the 20-amp outlet contains two principal holes in the shape of the letter T at every left corner. 
  3. The 15-amp outlet satisfies the needs of small appliances, while the 20-amp outlet satisfies the need of large appliances. 
  4. A 15-amp outlet might be compatible with a 20-amp outlet as well, but as far as a 20-amp outlet is concerned, it only happens to be compatible with itself. 
  5. A 15-amp outlet happens to be more popular due to its compatibility Violet 20-amp outlet happens to be less popular. 

Conclusion 

We all have seen electric outlets at our respective homes, and many people tend to use them for multiple purposes. This utilization has made these plugs very crucial and warranted in almost every place, regardless of them being domestic or commercial. 

Among all the electric outlets available out there, Bama 15- and 20-amp outlets happen to be the most popular ones as they offer a wide range of utilization along with irresistible compatibility. But many people tend to confuse between these two as they look very similar to one another. Therefore, it becomes really crucial to have known the differences between these two. 

References 

  1. https://electrical.theiet.org/media/1688/the-origin-of-the-bs-1363-plug-and-socket-outlet-system.pdf 
  2. https://www.sciencedirect.com/science/article/pii/S1361920909000935  
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