You may also like
EXP INS VIN BUTT SPLICE 16-14 MYLAR
Manufacturer Resources
Product Specs
- Country Of Origin:
- United States (US)
- Product Subgroup:
- Splices
- Product Type:
- Vinyl Insulated Butt Splice
- Standards:
- UL E9809
- Wire Size:
- 16-14 AWG
- Department:
- Electrical
- Product Group:
- Wire Termination
- Product Color:
- Blue
- Product Material:
- Vinyl
Sta-Kon RBB217M – Frequently Asked Questions
1) What wire gauge does the Sta-Kon RBB217M butt splice take?
The RBB217M is sized for 16 to 14 AWG stranded building wire on both ends. It is a butt splice, so it joins two conductors end to end within that same gauge range. For 22-16 AWG or 12-10 AWG runs you need a different size splice, since crimping outside the rated range gives you a connection that can pull out or overheat.
2) Is this Sta-Kon splice UL listed?
Yes. The RBB217M carries UL file E9809. That is the detail an institutional or MRO buyer needs when the connection has to pass inspection in a commercial or healthcare facility.
3) Why is the Sta-Kon butt splice blue, and does the color mean anything?
Blue is the standard industry color code for 16-14 AWG insulated terminals and splices, and the RBB217M is blue. On a panel or a harness that lets an electrician confirm gauge at a glance without reading the barrel. Red indicates 22-16 AWG and yellow 12-10 AWG in the same color convention.
4) What is the insulation made of on the RBB217M, and where should it not be used?
The insulation is vinyl, with a Mylar liner inside the barrel. Vinyl handles general-purpose indoor branch wiring and control work fine, but it is not a high-temperature material, so for engine bays, furnace cabinets, or anywhere near sustained heat you want a nylon-insulated or heat-shrink splice instead.
5) Do I need a special crimp tool for Sta-Kon insulated butt splices?
A butt splice like the RBB217M is a crimp-only connector, no solder, and it needs a controlled-cycle crimper matched to insulated terminals in the 16-14 AWG range. Both conductors get crimped separately, one per end of the barrel. Pliers or an uncalibrated tool will give you a loose joint that fails pull-test. The tool is a separate purchase.
6) Can I use a butt splice instead of a wire nut inside a junction box?
An insulated butt splice such as the RBB217M makes a low-profile inline connection, which is why it is used in harnesses, control panels, and tight raceway work where a twist-on connector will not fit or would work loose under vibration. A wire nut is the faster choice for multiple conductors landing together in a box. The butt splice joins exactly two conductors, end to end, and is permanent once crimped.
7) Is the Sta-Kon RBB217M made in the USA?
Country of origin on the RBB217M is the United States. That matters on government and institutional work where domestic-sourcing language shows up in the purchase order.
8) What is the exact part number to order this Sta-Kon blue butt splice?
Order it as Sta-Kon RBB217M. It is the expanded-insulation vinyl butt splice for 16-14 AWG, blue. Distributors matching against a bill of material should key on that MPN rather than the color or gauge alone, since several Sta-Kon splices share the 16-14 range.
How fast can I get the Sta-Kon RBB217M 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 RBB217M come with a warranty?
Absolutely. The Sta-Kon RBB217M 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 RBB217M?
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 RBB217M 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.