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INS VINYL 250 SERIES COUPLER LEN 2.
Manufacturer Resources
Product Specs
- Country Of Origin:
- United States (US)
- Insulation Material:
- Vinyl
- Product Subgroup:
- Wire Joints
- Product Type:
- Vinyl Insulated Coupler
- Standards:
- UL E66716
- Voltage Rating:
- 300 V
- Department:
- Electrical
- Product Group:
- Wire Termination
- Product Color:
- Clear Vinyl with Brass Coupler
- Product Material:
- Brass
Sta-Kon RB14-250 – Frequently Asked Questions
1) What is the Sta-Kon RB14-250 coupler used for?
It's a vinyl insulated butt coupler for joining two wire ends in a straight splice. The barrel is brass and the insulation is clear vinyl, so you can see the conductor seated in the barrel before you crimp. Rated 300 V.
2) Is the RB14-250 coupler rated for 300 volt control wiring?
Yes. The RB14-250 carries a 300 V rating, which covers typical control, signal and low voltage panel wiring. It's UL recognized under file E66716. For 600 V building power circuits you need a connector rated to 600 V instead.
3) Does the Sta-Kon RB14-250 need a crimp tool, or can I use pliers?
It's a crimp coupler, not a twist-on or solder joint, so it needs a crimping tool sized for insulated terminals. Pliers deform the brass barrel without forming a proper mechanical bond and the splice can pull out under vibration.
4) Should I use an insulated coupler like the RB14-250 or a wire nut for splicing two wires?
A wire nut is for pigtailing conductors inside a junction box where there is room for the splice and no mechanical stress. A vinyl insulated coupler like the RB14-250 makes a flat, low-profile inline splice that fits inside a raceway, panel wire bundle or equipment cabinet, and holds up to vibration once crimped. For control wiring run through tight spaces, the coupler is the right choice; for branch circuit splices in a box, use a wire nut rated for the circuit.
5) Can I use the RB14-250 coupler for an outdoor or wet location splice?
The insulation is plain vinyl, not an adhesive lined heat shrink, so it gives mechanical and electrical cover but no moisture seal. For damp or buried splices, use a heat shrink sealed butt connector or put this splice inside a rated enclosure.
6) Is the RB14-250 coupler insulation color coded for wire size?
No. The insulation is clear vinyl with a brass coupler visible through it, so it is not using the red/blue/yellow Sta-Kon color code. Identify this one by its part number, RB14-250, rather than by color at the bench.
7) Are Sta-Kon RB14-250 couplers made in the USA?
Yes, country of origin is the United States. That matters on government, institutional and transit work where domestic sourcing is a condition of the spec.
How fast can I get the Sta-Kon RB14-250 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 RB14-250 come with a warranty?
Absolutely. The Sta-Kon RB14-250 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 RB14-250?
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product
selection,
installation tips, and troubleshooting. Contact Us
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