How to choose the right wire gauge for these butt connectors?

Each connector is color-coded and marked with its compatible wire gauge range (AWG). Red typically fits 22-18 AWG, Blue fits 16-14 AWG, Yellow fits 12-10 AWG, and White fits 26-24 AWG. Match your wire's gauge to the connector's specification for a secure crimp.

Are these heat shrink butt connectors waterproof?

Yes, these connectors feature a 3:1 heat shrink ratio with an inner lining of hot melt adhesive. When heated with a heat gun, the adhesive melts and seals the connection, providing a waterproof and corrosion-resistant joint suitable for marine and automotive use.

What is the maximum voltage and temperature these connectors can handle?

These haisstronica butt connectors are rated for a maximum of 12V DC and a temperature of 257°F (125°C). They are designed for low-voltage DC applications like automotive, marine, and home electronics, not for high-voltage AC mains wiring.

Can I use these for mains electrical wiring in India?

No, these connectors are specifically rated for low-voltage DC applications (up to 12V) and are not suitable for AC mains voltage wiring in India or elsewhere. For mains wiring, always use connectors designed for that purpose and consult a qualified electrician.

What applications are these heat shrink butt connectors best suited for?

These connectors are ideal for marine, automotive, and home wiring projects, including stereo installations and scientific projects. Their waterproof and durable design makes them excellent for environments where moisture and vibration are concerns.

haisstronica Red 330pcs Electronic Component Terminal | Waterproof Heat Shrink Butt Connectors

Name: haisstronica Heat Shrink Butt Connectors Kit 330PCS | Marine Grade Waterproof Electrical Crimp Wire Connectors
Brand: haisstronica
SKU: hgh4737
Price: 4692.00 INR
Availability: InStock

About this item

Haisstronica 330-piece heat shrink butt connectors provide a reliable, waterproof solution for electrical connections. Made with a high-quality tinned copper core and thick barrel, these connectors ensure a strong crimp every time. The translucent heat shrink tubing features a hot melt adhesive lining for a secure, waterproof seal, preventing wires from slipping out. Compliant with ROHS, ISO, SGS, and CE standards, they are ideal for demanding applications.

These connectors are designed for easy identification with color-coded tubing and clear wire gauge markings (22-16 AWG, 16-14 AWG, 12-10 AWG, 26-24 AWG). The 3:1 shrinkage ratio ensures a tight fit when heated. They are flame-retardant and suitable for underground use, making them perfect for marine and automobile applications, as well as home and scientific projects.

Imported directly from authorized US retailers and authorized brand partners, these connectors offer superior quality compared to many local alternatives. All customs duties and GST are included in the price. Your order is shipped via ExpressBox with tracking, ensuring a clear and transparent delivery process.

Key Features

COMPLIANT WITH ALL RELEVANT STANDARDS:With Haisstronica 330PCS( A.W.G.:22-16 150 PCS,16-14 100 PCS,12-10 32 PCS,26-24 48 PCS) heat shrink waterproof wire connectors are compliant with ROHS, ISO 9001:2008, SGS, and CE standards
HIGH-QUALITY COPPER CORE:Heat shrink butt connectors use a copper core with a higher thickness rating.This makes your connection project safer and better meets our customers’ quality needs
HIGH-QUALITY HEAT SHRINK:Translucent heat shrink tubing provides high tensile strength and resistance to stretch and minimize mechanical damage.The thick barrel ensures a strong crimp every time.The inner wall of the heat-shrinkable tube has enough hot melt adhesive to ensure waterproof performance reliability.Your wire will never slip out of these heat shrink wire connectors
RECOGNIZABLE:Tubings of varying colors with easily recognizable wire gauge markings. Simply measure the wiring, and by checking the mark of wire gauge of the polyolefin tubing, then you can quickly choose the right connector
WIDE APPLICATIONS: High quality 3:1 shrinkage tubing has a heat-activated sealant lining to provide complete secure seal. It's flame-retardant, waterproof, and can be used underground. Compliant with all electrical standards, Perfect for marine and automobile applications, whether you are working on your boat, Vehicle, Home or scientific project

Why choose this product

Reliable Connections for Demanding Environments

Haisstronica heat shrink butt connectors are engineered for durability and performance. The tinned copper core ensures excellent conductivity, while the thick barrel and high-quality heat shrink tubing with hot melt adhesive create a robust, waterproof seal. This prevents wire slippage and protects against corrosion, making them ideal for marine, automotive, and outdoor applications where moisture and vibration are common. Unlike basic connectors, these meet stringent ROHS, ISO, SGS, and CE standards, offering peace of mind for critical wiring jobs.

Ideal for DIY & Professional Installs, Not for Mains

This kit is perfect for DIY enthusiasts, car audio installers, boat owners, and anyone needing to make secure, waterproof wire splices in low-voltage systems. The color-coding and clear gauge markings (22-10 AWG) make them user-friendly. However, these connectors are rated for 12V DC and are not suitable for high-voltage AC mains wiring. For mains electrical work, always consult a qualified electrician. If you need connectors for high-amperage or mains voltage, look for specialized industrial-grade products.

How to use

Strip approximately 1/4 inch (6mm) of insulation from the ends of the wires you need to connect. Ensure the stripped ends are clean and free of damage. — Prepare Wires
Insert one stripped wire end into each side of the butt connector. Use a proper crimping tool to firmly crimp the barrel onto both wires, ensuring a secure mechanical connection. — Insert and Crimp
Using a heat gun (not a direct flame), apply heat evenly to the tubing over the crimped area. Heat until the tubing shrinks tightly around the wires and the internal adhesive flows out, creating a seal. — Apply Heat

Example scenarios

Typical situations where haisstronica Heat Shrink Butt Connectors Kit 330PCS | Marine Grade Waterproof Electrical Crimp Wire Connectors helps — illustrative scenarios, not customer reviews.

Scenario 1

Illustrative example

Where it helps

A car owner in Chennai needs to install a new stereo system and wants to ensure all wire connections are secure and protected from humidity.

How this product helps

Using haisstronica heat shrink butt connectors ensures a waterproof and vibration-resistant connection. The tinned copper core provides excellent conductivity for audio quality, and the 3:1 shrink ratio creates a tight seal, preventing corrosion and signal loss in the humid climate.

Scenario 2

Illustrative example

Where it helps

A boat owner in Goa needs to splice wires for navigation lights and bilge pumps, requiring connections that can withstand saltwater and constant moisture.

How this product helps

The marine-grade, waterproof design of these haisstronica connectors is perfect for boat wiring. The hot melt adhesive lining seals out saltwater and moisture, preventing corrosion on the tinned copper core and ensuring reliable operation of critical boat systems.

Specifications

Composition

Core Material	Tinned Copper
Insulation Material	Nylon
Tubing Material	Polyolefin
Sealant	Hot Melt Adhesive

Usage

Application	Marine, Automotive, Home Wiring, Stereo Installation, Scientific Projects
Usage Instructions	Strip wire ends, insert into connector, crimp firmly with a suitable tool, and heat tubing with a heat gun until adhesive flows and seal forms.
Cost per use	330 connectors total — ₹14.22 per connector
Shelf life after opening	24 months (typical for electrical components)
Contraindications	Not for AC mains voltage wiring; not for use with wire gauges outside specified ranges.
Allergens / common irritants	None commonly reported for this product type.

How we compare

Feature	haisstronica Heat Shrink	Others
Waterproof Seal	Adhesive-lined heat shrink tubing provides a reliable, waterproof seal.	Many local connectors are insulated but not fully waterproof; may require separate sealing.
Core Material	Tinned red copper core for excellent conductivity and corrosion resistance.	Varies; some local options may use brass or lower-grade copper, affecting conductivity.
Wire Gauge Range	Comprehensive range: 26-24 AWG, 22-16 AWG, 16-14 AWG, 12-10 AWG.	Local kits may offer fewer sizes or a narrower range, requiring multiple purchases.
Certifications	Compliant with ROHS, ISO 9001, SGS, CE standards.	Local products may lack comprehensive international certifications; verify claims.
Cost per connector	330 connectors for ₹4,692 — ₹14.22 per connector.	Local kits of similar quality may range from ₹500-₹1500 for 200-300 pieces.

SKU	hgh4737
GTIN	0192687298006
Brand	haisstronica
Model Number	HX1045
Color	Red, Blue, Yellow, White
Material	Tinned Copper Core, Nylon Insulation, Polyolefin Tubing
Quantity	330 Pieces
Wire Gauge Compatibility	26-24 AWG (48 pcs), 22-16 AWG (150 pcs), 16-14 AWG (100 pcs), 12-10 AWG (32 pcs)
Maximum Voltage	12V DC
Temperature Rating	257°F (125°C)
Shrinkage Ratio	3:1
Country of Origin	Not stated by manufacturer — US retail version, sourced from authorized US retailers and authorized brand partners

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haisstronica Heat Shrink Butt Connectors Kit 330PCS | Marine Grade Waterproof Electrical Crimp Wire Connectors

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