F4P J-Series Twist-On Copper W...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$56.70
F4P J-Series Twist-On Copper Wire Connectors - Assorted Sizes (Jar Packs)

F4P J-Series Twist-On Copper Wire Connectors - Assorted Sizes (Jar Packs)

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Model: F4P J1102

In Stock (leaves warehouse same day if ordered before 3pm ET)

$56.70
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F4P J-Series Twist-On Wire Connectors are engineered for secure, code-compliant copper wire terminations across a broad range of residential, commercial, and light industrial applications. Each connector features a rugged thermoplastic shell and a zinc-plated steel internal spring that ensures strong, reliable contact.

Color-coded for quick identification and packaged in high-volume jars, these connectors simplify wire management for electricians and contractors working on lighting, receptacles, control systems, and more.

Product Specs

Color Options:
Orange / Yellow / Red / Tan / Green / Blue
Connector Type:
Twist-On
Product Type:
Copper Wire Connector
Package Quantity:
150–750 per Pack
Application:
Splicing copper wires in residential and commercial electrical systems
Wire Gauge:
22–8 AWG to 14–6 AWG
Product Group:
Connectors & Fittings
Product Subgroup:
Connectors
Product Material:
Copper (CU)

F4P F4P J1102 – Frequently Asked Questions

1) What wire sizes do F4P J-Series twist-on wire connectors cover?
The F4P J-Series twist-on connectors span 22 to 8 AWG at the small end of the range and up to 14 to 6 AWG at the large end, depending on which color you pick. The colors are orange, yellow, red, tan, green and blue, and each color is a different capacity range, so a mixed shop stocking two or three jars covers most fixture whips, receptacle boxes and control wiring without switching brands.
2) Can I use these connectors on aluminum wire?
No. The F4P J-Series is a copper-only connector, listed for copper (CU) conductors, and the application is splicing copper wire in residential and commercial systems. For aluminum or copper-to-aluminum splices you need a connector specifically rated for AL/CU service, not this one.
3) How many wire nuts come in a jar of F4P J-Series connectors?
Jar count runs from 150 up to 750 pieces and it tracks the connector size, since the bigger the connector the fewer fit in the jar. Orange is 750 count, yellow comes as 550 or 500, tan is 500, red is 400 or 350, green is 400, and blue is 150. If you are buying for a truck stock or a multi-unit rough-in, that spread lets you match jar size to how fast you actually burn through each color.
4) Why are the F4P wire connectors color-coded, and which color do I grab?
Color is how you identify capacity at a glance in the box. Each color in the J-Series (orange, yellow, red, tan, green, blue) covers a different conductor range within the overall 22-8 AWG through 14-6 AWG span, so the color tells you and the next electrician on the job how many conductors of what gauge that splice is good for. Match the color to the conductor count and gauge in the box rather than to the size of the bundle.
5) Are the green F4P connectors meant for grounding splices?
Green is the color electricians reserve for equipment grounding conductors, and the J-Series includes a green connector, supplied 400 to the jar. It is a standard copper twist-on connector like the rest of the family; the color is what keeps ground splices visually separate from line and neutral in a crowded box.
6) What is inside these wire nuts, and will the spring hold up in a hot fixture box?
Each F4P J-Series connector uses a zinc-plated steel internal spring inside a thermoplastic shell. The spring is what bites the conductors and keeps the splice tight; the plating is there to resist corrosion. That construction is the standard twist-on arrangement used for lighting, receptacle and control terminations.
7) Do I need a tool to install F4P twist-on connectors?
No tool is required. These are twist-on connectors, so the splice is made by hand by twisting the connector down over the stripped conductors. Some electricians finish with a nut driver or lineman's pliers for leverage on the larger red and blue sizes, but nothing extra ships with or is needed for the connector itself.
8) Is a jar pack the right way to buy wire nuts for a large rough-in?
For volume work, yes, that is what the jar format is for. Jars run 150 to 750 connectors and are meant for electricians and contractors doing repetitive terminations rather than a handful of small blister packs. For a property manager doing occasional repairs, a single jar of the most-used color (orange at 750 or yellow at 550) usually outlasts the need; for a multi-unit rough-in, buying two or three colors by the jar is the practical move.
How fast can I get the F4P F4P J1102 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 F4P F4P J1102 come with a warranty?
Absolutely. The F4P F4P J1102 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 F4P F4P J1102?
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 F4P F4P J1102 from ZenSupply?
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