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Manufacturer Resources
Product Specs
- Country Of Origin:
- United States (US)
- Product Subgroup:
- General Terminals
- Product Type:
- Nylon Insulated Ring Terminal - 90 Degree Bend
- Wire Size:
- 12-10 AWG
- Department:
- Electrical
- Product Group:
- Wire Termination
- Product Color:
- Yellow
- Product Material:
- Nylon
Sta-Kon RC333U – Frequently Asked Questions
1) What wire size does the Sta-Kon RC333U ring terminal accept?
The RC333U takes 12-10 AWG stranded or solid copper wire. The yellow nylon insulation is the standard color code for that range, so on a panel you can spot the 12-10 AWG terminals without checking the barrel stamp.
2) Why would I use a 90 degree bend ring terminal instead of a straight one?
The RC333U is a nylon insulated ring terminal with the tongue bent 90 degrees to the barrel. That lets the wire run parallel to the mounting surface while the ring lands flat on the stud, which is what you want in a shallow enclosure, behind a device, or where a straight terminal would force a sharp bend in the conductor. For a stud you approach head-on, a straight flag-free ring is the simpler choice.
3) Is the RC333U insulation nylon or vinyl, and does that matter for temperature?
Nylon, not vinyl. Nylon insulated barrels are the tougher of the two for abrasion and handle higher operating temperature than standard vinyl, which is why they get specified for motor connections, control panels and engine compartment wiring.
4) Do I need a special crimp tool for Sta-Kon nylon insulated ring terminals?
Crimp it with an insulated-terminal crimper on the yellow 12-10 AWG nest. Don't use a non-insulated die or pliers on the nylon barrel, it will split the insulation and leave the crimp loose. The ring is a closed tongue, so the conductor has to be crimped before the ring goes over the stud, which also means you can't add one to a live run without pulling the screw.
5) Can I use a ring terminal like this instead of a spade or fork terminal on a terminal block?
A ring is the safer pick anywhere vibration or an accidental tug could pull a connection loose, because the closed tongue can't back off the stud without the screw coming all the way out. A fork or spade slides out from under a loosened screw, which is why it's used where you want quick service access. Code-required ground connections and motor leads normally get rings. The RC333U covers 12-10 AWG on a No. 6 stud.
6) Is the RC333U made in the USA?
Yes, the RC333U is of United States origin, which matters if you're buying against a Buy American or domestic-preference clause on a government or institutional job.
How fast can I get the Sta-Kon RC333U delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
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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 RC333U come with a warranty?
Absolutely. The Sta-Kon RC333U 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 RC333U?
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installation tips, and troubleshooting. Contact Us
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