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Power Cords 101

All the information you need to be a power cords master!

Power cords can be confusing. Since power cords do not follow a traditional part numbering system, many buyers can be stuck with a singular brand when searching by part number. Every power cord manufacturer and distributor creates their own part number for the same items, so in reality, there are hundreds of brands and companies that sell the power cord you are looking for. By understanding your needs and knowing what information to search for, you can shop around and get the best possible pricing. This list will not only help you understand the basics of power cords, but help you become a power cord expert!


The plug ends are probably the most important piece of the power cord puzzle. Where is your power coming from and where is it going to? Here is a simple guide for the most standard American power cords. For a full listing of power cord connectors click here.

NEMA 5-15P/NEMA 5-15R:

This is the most common wall plug in America. P on the end of the number calls out the plug and R calls the receptacle.


NEMA 1-15P/NEMA 1-15R:

Similar to the 5-15 variation, this is another common wall plug in America. P on the end of the number calls out the plug and R calls the receptacle. The NEMA 1-15P can plug into a NEMA 5-15R.


This is most commonly used for computer applications like the PC itself, monitors, and some computer accessories like printers. The C13 is the the plug and the C14 is the receptacle.


This the second most common electronics plug utilizing the popular “figure 8” design.


This is the code for any number of power cord ends that are stripped, bare, or blunt cut.



While the standard cords we offer fall under SVT, SJT, and SPT-2 jacket types, there are a wide variety of jackets to choose from. We do custom cords upon request, just contact us if you are interested in this service. For the power cord jacket reference guide, click here.


This is the standard power cord jacket used in electronics. The most common examples would be vacuum cleaner cords, computer cords, and computer accessory cords.


This is the most common heavy duty jacket used in power cords. The most common example would be industrial vacuum cleaner cords.


Most commonly seen on the two pronged NEMA 1-15P, this is actually two parallel cords attached to each other. The most common example of this jacket would be indoor small appliances like lamps or toasters.


The gauge controls the amperage (or flow) of electricity. The larger the gauge, the more electricity allowed to flow through cord. The most common gauge for indoor use is 18 gauge, but the smaller the number, the larger the gauge. For example, a 14 gauge cord is larger than an 18 gauge cord.



How long of a cord do you need? If you are getting a cord for vacuums, you may need a 20-30 foot cord. If it’s for a computer monitor, maybe you only need 3-6 feet. Judge your cord length by the application it will be used for. If you need assistance, contact us.

Color Code

The color of the wires inside the cord vary by country. While this may not seem like a big deal for cords that utilize two plug ends, picking the right color code for the country you are selling in can affect your product line down the line, specifically when it comes to repairs. The color code generally has no effect on the price of the cord, so it’s best to just pick the right color code. Obviously, our standard cords come in the North American color code, but others are available upon request. For a full list of country color codes, click here.


Other Specifications

Any other specifications fall under this category such as different colored or lit plugs, the way you prefer the cords be wrapped, or custom terminated ends to an ROJ. Make sure to always specify everything you want for your cord so we can accurately build it to your specifications.



If you would like to submit a quote request on your cord, click here.

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