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Manufacturer Resources
Product Specs
- Country Of Origin:
- United States (US)
- Product Subgroup:
- General Terminals
- Product Type:
- Vinyl Insulated Ring Terminal
- Standards:
- UL E9809
- Voltage Rating:
- 600 V
- Wire Size:
- 22-16 AWG
- Department:
- Electrical
- Product Group:
- Wire Termination
- Product Color:
- Red
- Product Material:
- Copper
Sta-Kon 18RA-516 – Frequently Asked Questions
1) What wire gauge does the Sta-Kon 18RA-516 ring terminal accept?
The 18RA-516 is sized for 22 to 16 AWG stranded copper wire. That is the red insulation color code, so if you are working with 16 to 14 AWG you need the blue barrel size instead, and 12 to 10 AWG takes yellow. Crimping a 14 AWG conductor into this red barrel will not seat properly and the connection will pull out.
2) Are these ring terminals copper, and does that matter for aluminum conductors?
The barrel and tongue are copper. That means they are for copper conductors only. Aluminum wire needs a terminal rated AL or AL/CU, so do not use the 18RA-516 on aluminum branch or feeder conductors.
3) Is this Sta-Kon ring terminal rated for 600 volt circuits?
Yes. The vinyl insulated 18RA-516 carries a 600 V rating, which covers standard commercial control panel, motor lead, and branch circuit work.
4) Is the 18RA-516 terminal UL listed?
It is covered under UL file E9809. For inspected panel and equipment work where the AHJ wants a listed termination, that file number is what you cite.
5) Do I need a special crimp tool for the Sta-Kon 18RA-516?
It is an insulated barrel terminal, so it takes an insulated-grip crimper with the red nest for 22-16 AWG. Do not crimp it with a non-insulated die or pliers, that crushes the vinyl and leaves an unreliable conductor grip. No tool is packed with the terminal itself.
6) Is the Sta-Kon 18RA-516 made in the USA for Buy American jobs?
Country of origin is the United States, which is what procurement needs on federal, municipal, and institutional work with domestic sourcing requirements. Order it by manufacturer part number 18RA-516.
How fast can I get the Sta-Kon 18RA-516 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Sta-Kon 18RA-516 come with a warranty?
Absolutely. The Sta-Kon 18RA-516 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Sta-Kon 18RA-516?
You can call, text, or email our expert support team for fast answers. We’re here to help with
product
selection,
installation tips, and troubleshooting. Contact Us
Why buy the Sta-Kon 18RA-516 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support,
and
rewards on
every order.
Our team is always ready to help you choose the right product for your project.