---
product_id: 578409527
title: "Heat Shrink Butt Wire Connectors, Sopoby 210Pcs 16-14 AWG Blue Insulated Waterproof Electrical Wire Connectors Automotive Marine Grade Wire Crimp Terminals Butt Splices, Ideal for Boat, Truck, Blue"
brand: "sopoby"
price: "$40.19"
currency: USD
in_stock: true
reviews_count: 8
category: "Sopoby"
url: https://www.desertcart.us/products/578409527-heat-shrink-butt-wire-connectors-sopoby-210pcs-16-14-awg
store_origin: US
region: United States of America
---

# Waterproof & adhesive lined 210 pcs heat shrink connectors 16-14 AWG copper core Heat Shrink Butt Wire Connectors, Sopoby 210Pcs 16-14 AWG Blue Insulated Waterproof Electrical Wire Connectors Automotive Marine Grade Wire Crimp Terminals Butt Splices, Ideal for Boat, Truck, Blue

**Brand:** sopoby
**Price:** $40.19
**Availability:** ✅ In Stock

## Summary

> 🔌 Seal the deal with pro-grade connections that last!

## Quick Answers

- **What is this?** Heat Shrink Butt Wire Connectors, Sopoby 210Pcs 16-14 AWG Blue Insulated Waterproof Electrical Wire Connectors Automotive Marine Grade Wire Crimp Terminals Butt Splices, Ideal for Boat, Truck, Blue by sopoby
- **How much does it cost?** $40.19 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/578409527-heat-shrink-butt-wire-connectors-sopoby-210pcs-16-14-awg)

## Best For

- sopoby enthusiasts

## Why This Product

- Trusted sopoby brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Bulk Value Pack:** 210 connectors mean you’re always ready—no more last-minute runs or costly mistakes.
- • **Weatherproof Seal:** 3:1 heat shrink tubing with hot melt adhesive ensures a waterproof, wear-resistant connection.
- • **Unmatched Durability:** Premium tinned copper core with thick seamless barrels for zero pull-out risk.
- • **Versatile Application:** Perfect for automotive, marine, RVs, motorcycles, and even holiday lighting projects.
- • **Optimized Electrical Flow:** Copper barrels reduce voltage drop, boosting current flow and minimizing downtime.

## Overview

Sopoby’s 210-piece Heat Shrink Butt Wire Connectors feature high-quality tinned copper cores and adhesive-lined heat shrink tubing, delivering waterproof, durable, and reliable electrical connections for 16-14 AWG wires. Ideal for automotive, marine, and industrial use, these connectors ensure strong crimps, excellent conductivity, and protection against environmental damage.

## Description

Product description Sopoby Heat Shrink Wire Connectors Rugged and puncture resistant Waterproof Resistant to abrasion, stretch and vibration Heat activated adhesive Greater tensile strength All materials are heat resistant Brazed-seam ensures the wire not exposed Sopoby is offering the most versatile electrical connectors kits with heat shrink technology on the market included an extensive selection of the most common terminal types: butt connectors, rings, forks, hooks, male/female spade terminals. Comply with all Relevant European Standards Dual-walled: polyolefin tubing on the outside and hot melt adhesive in inside Wire gauge imprint on connectors and color identification. Ideal translucent provides tensile strength, allows visual inspection, prevents corrosion, and provided a waterproof seal. FEATURES BRAZED SEAM BARREL - The excellent matte tin-plated red copper features - Doesn't split when crimped - Wire will not pull out TIN-PLATED RED COPPER - Increased current flow - Thickened copper layer, better conductivity and shape. - Protection against corrosion THICK COPPER TERMINALS - 1.0mm for 12-10 AWG - 0.8mm for 16-14 AWG - 0.7mm for 22-16 AWG WIDE APPLICATIONS MOTORCYCLE LIGHT DIY

## Features

- PREMIUM COPPER CORE AND HEAT SHRINK TUBE: Made of high quality tinned copper and adhesive lined heat shrink tubing. These professoinal butt connectors ensure protection against the elements. Heat shrink tubing provides high tensile strength and resistance to stretch and mechanical damage, high thickness copper core ensure protection against the elements
- STRONG CRIMPS: These butt connectors use thick, seamless copper barrels. Your wire will not pull out of these butt splices when crimping
- EXCELLENT WIRE CONTACT: The copper barrel provides increased current flow, and ensures less voltage drop, preventing wiring failures and reducing equipment downtime
- RELIABLE CONNECTION: Adhesive lined inside the 3:1 butt heat shrink connector will exude hot melt adhesive when evenly heated, shrinks quickly and adheres to wire insulation. Guarantees good environmental sealing, waterproof and wear-resistant
- WIDE APPLICATIONS: Excellent stability, water resistance and electrical conductivity provide durable connection for motorcycle, off-road vehicles, lawn tractors,RVs,fish finder and marine application. Widely used on multiple projects of your Christmas lights,ships with high waterproof requirements motorcycle stereo, boat electronics, equipment switches

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CD77W68H |
| Best Sellers Rank | #3,720 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #26 in Butt Terminals #1,273 in Electrical Equipment |
| Brand Name | Sopoby |
| Color | blue |
| Connector Type | Butt Splice |
| Contact Material | Copper |
| Customer Reviews | 4.8 out of 5 stars 1,003 Reviews |
| Insulation Material | Polyolefin |
| Insulation Material Type | Polyolefin |
| Manufacturer | Sopoby |
| Material | Copper |
| Material Type | Copper |
| Model | Sop-1139US |
| Number of Items | 210 |
| Part Number | Sop-1139US |
| Terminal | Butt Terminal |
| Unit Count | 1.0 Count |

## Product Details

- **Color:** blue
- **Connector Type:** Butt Splice
- **Contact Material:** Copper
- **Insulation Material:** Polyolefin
- **Terminal:** Butt Terminal

## Images

![Heat Shrink Butt Wire Connectors, Sopoby 210Pcs 16-14 AWG Blue Insulated Waterproof Electrical Wire Connectors Automotive Marine Grade Wire Crimp Terminals Butt Splices, Ideal for Boat, Truck, Blue - Image 1](https://m.media-amazon.com/images/I/714kvhcb7UL.jpg)
![Heat Shrink Butt Wire Connectors, Sopoby 210Pcs 16-14 AWG Blue Insulated Waterproof Electrical Wire Connectors Automotive Marine Grade Wire Crimp Terminals Butt Splices, Ideal for Boat, Truck, Blue - Image 2](https://m.media-amazon.com/images/I/71OT60gQ5jL.jpg)
![Heat Shrink Butt Wire Connectors, Sopoby 210Pcs 16-14 AWG Blue Insulated Waterproof Electrical Wire Connectors Automotive Marine Grade Wire Crimp Terminals Butt Splices, Ideal for Boat, Truck, Blue - Image 3](https://m.media-amazon.com/images/I/71-vuBW6tLL.jpg)
![Heat Shrink Butt Wire Connectors, Sopoby 210Pcs 16-14 AWG Blue Insulated Waterproof Electrical Wire Connectors Automotive Marine Grade Wire Crimp Terminals Butt Splices, Ideal for Boat, Truck, Blue - Image 4](https://m.media-amazon.com/images/I/71OeB5SE2OL.jpg)
![Heat Shrink Butt Wire Connectors, Sopoby 210Pcs 16-14 AWG Blue Insulated Waterproof Electrical Wire Connectors Automotive Marine Grade Wire Crimp Terminals Butt Splices, Ideal for Boat, Truck, Blue - Image 5](https://m.media-amazon.com/images/I/71e5UlLHr8L.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by J***A on April 13, 2026*



### ⭐⭐⭐⭐⭐ Review
*by C***O on December 24, 2025*



### ⭐⭐⭐⭐⭐ Review
*by V***6 on February 11, 2026*



## Frequently Bought Together

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- Heat Shrink Butt Wire Connectors, 100Pcs 22-16 AWG Red Insulated Waterproof Electrical Wire Connectors Automotive Marine Grade Wire Crimp Terminals Butt Splices, Ideal for Boat, Truck, Red

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-19*