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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:
- 12-10 AWG
- Department:
- Electrical
- Product Group:
- Wire Termination
- Product Color:
- Yellow
- Product Material:
- Copper
Sta-Kon RC777U – Frequently Asked Questions
1) What wire gauge does the Sta-Kon RC777U ring terminal take?
The RC777U is sized for 12-10 AWG stranded or solid copper wire, and the yellow vinyl insulation is the standard color code for that gauge band. If you are crimping 16-14 AWG, you need a blue-coded terminal instead; 22-18 AWG uses red.
2) Why would I use a 90 degree ring terminal instead of a flat one?
The RC777U has a 90 degree bend between the barrel and the ring, so the wire runs perpendicular to the stud face. That is what you want when the terminal screw faces out of a panel and you need the conductor to drop down the wiring gutter without a sharp bend at the lug, or when clearance behind a device is tight. For a straight pull where the wire lies in line with the stud, use a standard flat ring terminal.
3) Is this a ring terminal or a fork terminal, and does it matter for a vibrating motor connection?
It is a closed ring (circular tongue), not a spade or fork. The ring has to come off over the screw, which means it cannot back off the stud if the screw loosens, so it is the right choice on motors, compressors, and anything with vibration. A fork terminal installs faster without fully removing the screw but can slip out.
4) What is the Sta-Kon RC777U terminal made of, and can I use it on aluminum wire?
The barrel is copper with vinyl insulation, so it is for copper conductors only. Aluminum conductors require a terminal rated AL/CU with the proper inhibitor compound; do not crimp aluminum into a copper-only barrel.
5) What part number do I order for a yellow 90 degree ring terminal for 12-10 wire with a No. 8 ring?
Order Sta-Kon MPN RC777U. That single catalog number covers the yellow vinyl insulated 90 degree ring terminal, 12-10 AWG, No. 8 stud, so there is no finish or size option to specify.
6) Do I need a special crimper for the Sta-Kon RC777U?
It crimps with an insulated-terminal tool on the yellow 12-10 AWG nest. The vinyl sleeve is meant to be crimped over, supporting the insulation, so use a tool with the correct die for insulated terminals rather than a bare-terminal or plier-style crimper, which will cut the sleeve.
7) Is the Sta-Kon RC777U made in the USA?
Yes, country of origin on the RC777U ring terminal is the United States, which matters if you are filling a government or institutional order with domestic-content requirements.
How fast can I get the Sta-Kon RC777U 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 RC777U come with a warranty?
Absolutely. The Sta-Kon RC777U 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 RC777U?
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 RC777U 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.