Nilight 400PCS Blue Wire Connectors Kit 20-18 AWG Electric Wire Caps Insulating Insert Twist Electrical Wire Terminal with Spring for Connect Electrical Wiring Automotive Car Truck Boats Marine
Nilight 400PCS Blue Wire Connectors Kit 20-18 AWG Electric Wire Caps Insulating Insert Twist Electrical Wire Terminal with Spring for Connect Electrical Wiring Automotive Car Truck Boats Marine
Couldn't load pickup availability
- 24/7 Customer Support
- Risk-Free 30-Day Returns
- Fast & Reliable U.S. Shipping
Contact Information
Contact Information
30-Day Hassle-Free Returns
30-Day Hassle-Free Returns
Not satisfied? Return your order within 30 days for a full refund or exchange — simple and easy.
✔ Easy return process
✔ Fast refunds
✔ No hidden conditions
Fast U.S. Shipping
Fast U.S. Shipping
We ship within the United States only — no international delays.
✔ Processing time: 1–2 business days
✔ Delivery time: 3–7 business days
✔ Real-time tracking available
👉 Track your order anytime from the header via Track Order
About This
- Durable Material: The caps are made of high quality insulated nylon shells, ensure a stable connection to each applications. The conical coiled metal spring grabs and holds the wires for secure connections and provides great conductivity. The wire caps is reusable as soon as the coil inside is not loose.
- Excellent Performance: The most common size is perfect for standard electrical wiring projects. Made with a tough thermoplastic shell, assorted wire connector caps protect against environmental extremes, with a maximum temperature rating of 221°F (105°C), ensuring reliable performance in various conditions.
- Easy Operation: Just simply insert the right size wires into the wire caps and screw on. The springs inside grip fine and the wires will not fall off until you unscrew them. Great for connecting the wires without soldering, taping and crimping.
- Wide Applications: This wire caps kit can be used for indoor and outdoor wiring projects such as house wiring, electronics and automotive wiring. Or small wiring jobs around the house. Outlets, switches, car electrical etc. and whatever else is needed. Necessity for anyone who does any type of electrical work.
- Package Includes : 400 PCS blue wire connector caps, 20-18 AWG (Max3#1.3 Min 2#0.75), providing an ample supply for your wiring projects.
Overview
- Color : 400PCS 20-18# Wire Caps
- Connector Type : Quick Connect
- Contact Material : Copper
- Insulation Material : Nylon
- Terminal : Screw Terminal

WE HELP DRIVERS UPGRADE EVERY MILE
TRANSFORM YOUR VEHICLE
Car Care Questions
The best car cleaning setup starts with products that clean faster protect your paint and make your vehicle look professionally detailed at home. A quality car wash kit microfiber towels ceramic spray and interior cleaner help remove dirt road grime fingerprints and stains without damaging surfaces.
For the best results most drivers use ceramic spray coatings to keep paint shinier longer and wheel cleaners to break down brake dust more easily.
Yes. LED car lights give drivers brighter visibility cleaner styling and safer nighttime driving. Many drivers upgrade to LED headlights fog lights and interior LED kits because they last longer use less power and make vehicles look far more modern.
LED upgrades are especially popular for trucks SUVs and off-road vehicles where visibility matters most.
Dash cams help protect drivers during accidents parking incidents insurance claims and unexpected road situations. Many drivers now use front and rear dash cams with parking mode because recorded footage can help provide proof during disputes or hit-and-run situations.
Modern dash cams also offer night vision app connectivity and clearer 4K video quality for everyday driving.
Most truck owners first upgrade accessories that improve storage protection and visibility. LED light bars truck bed organizers running boards all-weather floor mats and roof racks are some of the most useful upgrades for everyday driving work and outdoor activities.
These upgrades also help trucks look more aggressive and off-road ready.
Yes. Wireless CarPlay accessories help drivers use navigation music calls and apps more safely without constantly plugging in cables. Many drivers prefer wireless adapters magnetic phone mounts and fast chargers because they create a cleaner easier and more modern driving setup.
Long commutes and daily driving become much more convenient with wireless connectivity.
Keep your vehicle looking cleaner longer with a simple detailing routine. Use interior cleaners, microfiber towels, wheel cleaners, ceramic sprays, and detailing brushes to refresh high-touch areas, remove road grime, protect paint, and keep your car feeling new between full washes.
For a cleaner finish, focus on the areas that show dirt fastest: wheels, floor mats, dashboard, seats, glass, and exterior paint.
Driving Tips | Car Care Guides