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Manufacturer Resources
Product Specs
- Country Of Origin:
- United States (US)
- Product Subgroup:
- General Terminals
- Product Type:
- Vinyl Insulated Ring Terminal - 90 Degree Bend
- Wire Size:
- 18-14 AWG
- Department:
- Electrical
- Product Group:
- Wire Termination
- Product Color:
- Blue
- Product Material:
- Vinyl
Sta-Kon RB877U – Frequently Asked Questions
1) What stud size does the Sta-Kon RB877U ring fit?
The ring is sized for a No. 10 stud or screw. It will drop over a #10 machine screw or terminal stud; it will not seat properly on a 1/4 inch stud, and on a #6 or #8 screw the ring is oversized and can spin or slip past the washer.
2) Why would I use a 90 degree ring terminal instead of a straight one?
The RB877U has a 90 degree bend between the barrel and the ring, so the wire runs perpendicular to the stud instead of in line with it. That is what you want in a tight panel, a motor terminal box, or behind a device where a straight ring would force a sharp bend in the conductor or push the wire into the cover. If you have room to run the wire straight at the stud, a standard flag-free straight ring terminal is the simpler choice.
3) What crimp tool do I need for the Sta-Kon RB877U?
Use an insulated-terminal crimper with a blue die nest, matched to the 18-14 AWG range. Color-coded crimpers mark the blue station for this size. A plain uninsulated-lug crimper or pliers will cut the vinyl sleeve and leave a connection that pulls out.
4) Can I use the RB877U on aluminum wire?
No. The RB877U is a copper-wire terminal for 18-14 AWG conductors. Aluminum conductors need a terminal specifically marked AL or AL/CU with the appropriate inhibitor compound; using a copper-only crimp on aluminum risks a loose, high-resistance joint.
5) Is the insulation on the Sta-Kon RB877U vinyl or nylon?
Vinyl. Vinyl-insulated terminals like the RB877U are the general-purpose choice for control panels, appliance wiring, and MRO repair work. If the application runs hot or the terminal will see rough handling and pull-through, a nylon-insulated ring is the tougher sleeve.
6) Is the Sta-Kon RB877U made in the USA?
Yes, the RB877U ring terminal is of US origin, which matters on government, institutional, and other domestic-preference jobs where country of origin has to be documented on the submittal.
How fast can I get the Sta-Kon RB877U 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 RB877U come with a warranty?
Absolutely. The Sta-Kon RB877U 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 RB877U?
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 RB877U 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.