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Kuject 120PCS Heat Shrink Butt Connectors, Solder Seal Wire Connector Waterproof Insulated Electrical Butt Terminals Wire Splice for Automotive Marine Boat

Kuject 120PCS Heat Shrink Butt Connectors, Solder Seal Wire Connector Waterproof Insulated Electrical Butt Terminals Wire Splice for Automotive Marine Boat

Q: Photo w/ all the connectors lying outside the box shows about 25 of 12/10 connectors but the box/label shows only 10 are provided - which is correct?

There are only 10, the first photo of 25 is dishonest.

Q: Are these connectors UL listed?

What is UL certified mean?-UL Certified. A certificate, issued to a manufacturer for one of its products, which indicates that the product has been tested in the US by the Underwriters Laboratories, Inc. (UL) and has met UL requirements. What you should know about UL certification?-UL Certification means that a product has undergone rigorous testing to ensure its safety standards are up-to-date. UL provides a number of services for a business—including validating, testing, inspecting, auditing, and certifying products and various businesses around the world. What is the cost to be UL Certified?-The fee, paid to UL, is often in the range between US$5,000 to 15,000. Then again, this is for he services provided by UL, and not including product development costs. China Imports -UL (Underwriter Laboratories) develops electronics safety standards for the United States, and provide related testing, certification and auditing services.- Unlike the EU, where importers must comply with a set of harmonized electronics safety standards – American electronics importers are free to choose which standards to comply with.-UL standards are developed for specific electronic products, or components, such as cords, batteries and plugs.

Q: I need to join wires when installing the new radio for my car, is it safe and reliable for using these kind of self-solder wire connectors?

Dear Customer, Our item is IATF16949:2016 Listed, this is a certification of International Automotive Task Force. Automobile company like Ford, General Motors and Chrysler Corporation require that only product which go through the certification IATF16949:2016 can be used as parts to repair their cars, so you can use our connectors at ease. Besides, compare to the tradition method that wiring with the solder iron, using our self-solder wire connectors will be much faster and easier, all you need is just a heat gun to heat the connectors. Best wishes, Kuject customer service team

Product ID: 738233994

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Details

Color
RED BLUE WHITE
Connector Type
Connectors
Contact Material
Phosphor
Insulation Material
Polyolefin
Terminal
butt butt

⚡Solder ring melts at 111°C for reliable electrical connection

💧Waterproof & insulated for marine-grade durability

🔥2:1 shrink ratio for tight, secure fit

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Description

🔧 Seal it, solder it, secure it—connect like a pro every time!

BULK VALUE PACK - 120 connectors covering all common wire gauges—ready for any project, big or small.
COLOR CODED PRECISION - Easily identify and select from 4 sizes with distinct red, blue, white, and yellow connectors.
CERTIFIED QUALITY ASSURANCE - Meets European standards for safety and performance—trust your connections to last.
MARINE AUTOMOTIVE TOUGHNESS - Waterproof insulation ensures corrosion resistance in the harshest environments.
EFFORTLESS PRO GRADE INSTALLATION - Quick heat-shrink process seals and solders in seconds—no fuss, no mess.

Kuject’s 120PCS Heat Shrink Butt Connectors combine a 2:1 shrink ratio with a built-in solder ring that melts at 111°C, delivering waterproof, insulated, and durable wire splices. Perfect for automotive and marine applications, this color-coded kit covers multiple wire gauges and meets European safety standards, ensuring professional-grade electrical connections with ease.

Specifications

Color Name	RED BLUE YELLOW WHITE
Item Shape	Tubular
Batteries Included	No
Batteries Required	No
Brand	Kuject
Manufacturer	Kuject
Item Model Number	SS120
Size	120PCS
Material	PE, Tin
Product Dimensions	20 x 10 x 1.7 cm; 108.86 g
Item Weight	109 g

Have a Question? See What Others Asked

are wire connectors the same thing as butt connectors?

Photo w/ all the connectors lying outside the box shows about 25 of 12/10 connectors but the box/label shows only 10 are provided - which is correct?

Are these connectors UL listed?

I need to join wires when installing the new radio for my car, is it safe and reliable for using these kind of self-solder wire connectors?

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