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Manufacturer Resources
Product Specs
- Country Of Origin:
- United States (US)
- Product Subgroup:
- General Terminals
- Product Type:
- Vinyl Insulated Locking Fork Terminal
- Standards:
- UL E9809
- Voltage Rating:
- 600 V
- Wire Size:
- 22-16 AWG
- Department:
- Electrical
- Product Group:
- Wire Termination
- Product Color:
- Red
- Product Material:
- Copper
Sta-Kon RA2257 – Frequently Asked Questions
1) What wire gauge does the Sta-Kon RA2257 fork terminal crimp onto?
The RA2257 locking fork terminal takes 22 to 16 AWG stranded wire. The red vinyl insulation is the standard color code for that range, so if you are crimping 14 or 12 AWG you need a blue or yellow barrel terminal instead, not this one.
2) What screw or stud size does the RA2257 fork terminal fit?
It is built for a No. 10 bolt or stud. The fork slot slides over a #10 screw already in place on a terminal block or breaker lug, so you do not have to pull the screw all the way out to land the wire.
3) What is the difference between a locking fork terminal and a plain spade terminal?
A locking fork has turned-up tangs at the tips of the slot that catch under the screw head, so the terminal resists backing out if the screw loosens from vibration. A plain spade slides straight off the moment the screw is loose. For control panels, motor starters, and anything that vibrates, the locking style like the RA2257 is the one to specify. A ring terminal is still more secure, but it requires removing the screw completely to install.
4) Is the RA2257 fork terminal UL recognized?
It carries UL file E9809. That is the reference an inspector or submittal reviewer will want for a panel build.
5) Is the barrel on this Sta-Kon terminal copper or aluminum?
Copper, with vinyl insulation over it. Copper barrel means it is for copper conductors, not aluminum wire, and it crimps with standard Sta-Kon style hand tooling for insulated terminals.
6) Are these Sta-Kon terminals made in the USA for a government or Buy American job?
Country of origin on the RA2257 is the United States, which is the data point procurement teams on federally funded work typically need for the submittal package.
How fast can I get the Sta-Kon RA2257 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 RA2257 come with a warranty?
Absolutely. The Sta-Kon RA2257 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 RA2257?
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 RA2257 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.