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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:
- 18-14 AWG
- Department:
- Electrical
- Product Group:
- Wire Termination
- Product Color:
- Blue
- Product Material:
- Copper
Sta-Kon RB2237 – Frequently Asked Questions
1) What wire sizes does the Sta-Kon RB2237 fork terminal crimp onto?
The RB2237 locking fork terminal is built for 18 to 14 AWG stranded copper wire. That is the blue color code range, and the blue vinyl insulation on this terminal matches it, so it is easy to confirm on a panel after the fact. If your conductor is 16 AWG or 12 AWG, you need a different terminal color band.
2) What stud or screw size does the Sta-Kon RB2237 fork terminal fit?
It is sized for a No. 8 stud or screw. The fork slot slides in around a fastened No. 8 screw without fully removing it, which is the whole point of a fork tongue versus a ring terminal on a crowded terminal block.
3) Is the Sta-Kon RB2237 rated for 600 volt control wiring?
Yes, the RB2237 carries a 600 V rating and is UL listed under file E9809, which covers the typical 120/208 and 277/480 control and branch circuit work in commercial panels.
4) Should I use a fork terminal or a ring terminal on my terminal strip?
A fork terminal like the RB2237 is the choice when you want to land or pull a conductor by loosening the No. 8 screw rather than removing it, which speeds up service work on control panels and terminal strips. A ring terminal is the choice where vibration or a code requirement demands a captive connection that cannot back out sideways. Same crimp, different tongue.
5) What does the locking feature on the Sta-Kon RB2237 fork terminal do?
The tongue is a locking fork style, meaning the slot is formed with retention tangs that grip under the screw head so the terminal resists backing out once torqued. Standard flanged forks rely on screw pressure alone. On equipment that vibrates, the locking style is the one to spec.
6) Is the Sta-Kon RB2237 terminal copper or aluminum?
Copper barrel, so it is intended for copper conductors only. Do not crimp it onto aluminum wire, that needs a dual-rated AL/CU connector with the proper inhibitor compound.
7) How do I order the exact Sta-Kon locking fork terminal for 18-14 wire and a No. 8 stud?
Order by manufacturer part number RB2237 from Sta-Kon. That single number pins down all of it: vinyl insulated locking fork tongue, 18-14 AWG barrel, No. 8 stud slot, blue.
8) Is the Sta-Kon RB2237 made in the USA for Buy American jobs?
Country of origin on the RB2237 is the United States, which is what public agency and federally funded procurement usually needs documented on electrical material.
How fast can I get the Sta-Kon RB2237 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 RB2237 come with a warranty?
Absolutely. The Sta-Kon RB2237 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 RB2237?
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 RB2237 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.