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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
- Wire Size:
- 18-14 AWG
- Department:
- Electrical
- Product Group:
- Wire Termination
- Product Color:
- Blue
- Product Material:
- Copper
Sta-Kon RB877-200M – Frequently Asked Questions
1) What wire gauge does the Sta-Kon RB877-200M ring terminal accept?
The RB877-200M takes 18 to 14 AWG stranded copper wire. That is the blue insulation color band used across the trade for the 16-14 range, and this one covers 18 AWG at the small end too. If you are terminating 12 or 10 AWG, you need a yellow-coded terminal instead, not this one.
2) What stud or screw size does the RB877-200M ring fit?
It is a No. 10 ring, so it slips over a #10 screw or stud. On a terminal block or grounding lug sized for 1/4-20, the ring will not seat; step up to a 1/4 inch ring tongue for that.
3) Is the barrel on this ring terminal copper or aluminum?
Copper. That means it is for copper conductors only, not aluminum. Aluminum wire needs a terminal marked AL or AL/CU with the appropriate inhibitor compound.
4) Why pick a ring terminal over a fork or spade for a motor or panel connection?
A ring tongue is a closed loop, so the connection cannot vibrate off the screw the way a fork can if the screw backs out. On vibrating equipment, rooftop units, motors, and any termination you do not want to revisit, the ring is the safer choice. A fork terminal is only worth the tradeoff when you need to drop the wire on without fully removing the screw.
5) Does the insulation on the RB877-200M provide any strain relief, or do I need a different terminal?
It is a vinyl insulated terminal with a Mylar lined sleeve, which insulates the barrel and shields the crimp but is not a nylon insulated-grip style. If your application calls for a mechanically supported barrel that grips the conductor insulation, specify a nylon insulated terminal with a support sleeve rather than this vinyl version.
6) Where is the Sta-Kon RB877-200M made?
Made in the United States, which matters if you are filling a government or institutional order with domestic sourcing requirements on electrical components.
7) Can I crimp this terminal with ordinary pliers or do I need a crimper?
Use a controlled-cycle or ratcheting crimp tool matched to the 18-14 AWG insulated terminal die. Pliers deform the barrel unevenly and the result will not hold the pull-out force the UL listing assumes. Blue-coded dies on standard insulated-terminal crimpers are what you want for this one.
How fast can I get the Sta-Kon RB877-200M 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 RB877-200M come with a warranty?
Absolutely. The Sta-Kon RB877-200M 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 RB877-200M?
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selection,
installation tips, and troubleshooting. Contact Us
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