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Manufacturer Resources
Product Specs
- Country Of Origin:
- United States (US)
- Product Subgroup:
- General Terminals
- Product Type:
- Non-Insulated Ring Terminal - 90 Degree Bend
- Wire Size:
- 18-14 AWG
- Department:
- Electrical
- Product Group:
- Wire Termination
- Product Material:
- Copper
Sta-Kon B133U – Frequently Asked Questions
1) What wire sizes does the Sta-Kon B133U ring terminal accept?
The B133U takes 18 to 14 AWG stranded or solid copper wire. That covers the common control, lighting and low-voltage branch conductors on panel and fixture work. For 12 AWG and larger you need a different barrel size, not this one.
2) What stud or screw size does the B133U ring fit?
The ring on the B133U is a No. 16 tongue, so it lands on the small machine screws and studs typical of terminal blocks, device screws and equipment grounding points. Match the ring to the stud before crimping, since a ring that is oversized will spin under the screw head.
3) Why would I use a 90 degree ring terminal instead of a straight one?
The 90 degree bend in the B133U turns the wire a quarter turn away from the stud, so the conductor runs flat along the panel or enclosure wall instead of standing off it. Use it in shallow boxes, tight gutter space, or where a straight ring would force a sharp bend in the wire right at the barrel. If you have clearance and the wire approaches the stud in line, a straight ring terminal is the simpler choice.
4) Is the Sta-Kon B133U insulated?
No. The B133U is a bare, non-insulated copper ring terminal. Nothing covers the barrel, so if the connection needs to be isolated you add heat shrink or a vinyl sleeve yourself, or specify an insulated terminal instead.
5) What is the B133U terminal made of, and can I use it on aluminum wire?
It is copper. Copper-only terminals are for copper conductors; aluminum wire requires a terminal rated AL or AL/CU, so do not put the B133U on aluminum.
6) Does the B133U need a special crimp tool?
It is a crimp-on barrel, not a set screw lug, so it needs a crimping tool sized for 18-14 AWG non-insulated terminals. Non-insulated barrels crimp differently from insulated ones, so use the non-insulated nest or die, not the color-coded insulated jaws.
7) Is the Sta-Kon B133U made in the USA?
Yes, country of origin is the United States. That matters on public and institutional work where domestic-sourcing language shows up in the spec.
8) How do I order the right part, and is there more than one version of the B133U?
B133U is the manufacturer part number and there is a single configuration of it: non-insulated copper ring, 90 degree bend, 18-14 AWG, No. 16 ring. Order by B133U and you get that one build.
How fast can I get the Sta-Kon B133U 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 B133U come with a warranty?
Absolutely. The Sta-Kon B133U 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 B133U?
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 B133U 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.