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Manufacturer Resources
Product Specs
- Country Of Origin:
- United States (US)
- Product Subgroup:
- General Terminals
- Product Type:
- Vinyl Insulated Heavy-Duty Ring Terminal
- Standards:
- UL E9809
- Voltage Rating:
- 600 V
- Wire Size:
- 16-14 AWG
- Department:
- Electrical
- Product Group:
- Wire Termination
- Product Color:
- Blue
- Product Material:
- Copper
Sta-Kon RBC877 – Frequently Asked Questions
1) What wire gauge does the Sta-Kon RBC877 ring terminal accept?
The RBC877 is sized for 16-14 AWG stranded copper conductor. That range is what the blue vinyl insulation signals on Sta-Kon terminals, so if you are terminating 12 or 10 AWG you need a different (yellow) barrel size, and 22-18 AWG needs the red range.
2) Is the Sta-Kon RBC877 rated for 600 volt control and branch circuit work?
Yes, the RBC877 carries a 600 V rating and is UL listed under file E9809, which covers it for typical 120/208/240/480 V panel, motor control, and equipment terminations.
3) What is the difference between a heavy-duty ring terminal and a standard one?
Heavy-duty refers to the barrel wall thickness. The RBC877 uses a heavier copper barrel than a standard-duty insulated ring, which gives it more crimp resistance to pull-out and vibration, and it is what you want on motor leads, equipment grounds, and anything subject to movement. For a light control wire on a fixed terminal block, a standard-duty insulated ring in the same 16-14 range does the same electrical job.
4) Should I use a ring terminal or a fork terminal on a screw stud?
A ring like the RBC877 has to come off the stud to be removed, which is exactly why it is preferred on grounds, motor connections, and anything under vibration. A fork or spade slides out from under a loosened screw, which makes service faster but lets the connection walk off if the screw backs out. For a #10 stud on equipment that vibrates, use the ring.
5) Will the RBC877 work on aluminum conductor?
No. The barrel is copper and the terminal is listed for copper conductor only. Aluminum wire requires an AL9CU or aluminum-rated terminal with the correct inhibitor compound.
6) Can I crimp the Sta-Kon RBC877 with standard insulated terminal pliers?
It is a vinyl insulated barrel in the 16-14 AWG range, so it crimps in the blue-coded nest of any standard insulated-terminal crimper. Do not use a bare-terminal (open barrel) die, and do not solder over the crimp.
7) Is the Sta-Kon RBC877 made in the USA for government and institutional orders?
Country of origin on the RBC877 is the United States, which is what buyers working to domestic-preference purchasing requirements typically need documented.
How fast can I get the Sta-Kon RBC877 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 RBC877 come with a warranty?
Absolutely. The Sta-Kon RBC877 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 RBC877?
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 RBC877 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.