--- product_id: 392793850 title: "Wirefy 50 PCS Heat Shrink Butt Connectors Yellow 12-10 AWG - Marine Grade Butt Connectors - Wire Butt Splice Connectors - Electrical Waterproof Heat Shrink Butts" brand: "wirefy" price: "FREE" currency: USD in_stock: false reviews_count: 5 category: "Wirefy" url: https://www.desertcart.us/products/392793850-wirefy-50-pcs-heat-shrink-butt-connectors-yellow-12-10 store_origin: US region: United States of America --- # Waterproof adhesive seal 150 pcs seamless copper crimps 125°C heat resistance Wirefy 50 PCS Heat Shrink Butt Connectors Yellow 12-10 AWG - Marine Grade Butt Connectors - Wire Butt Splice Connectors - Electrical Waterproof Heat Shrink Butts **Brand:** wirefy **Price:** FREE **Availability:** ❌ Out of Stock ## Summary > 🔧 Seal the deal with every crimp—connect like a pro, waterproof and worry-free! ## Quick Answers - **What is this?** Wirefy 50 PCS Heat Shrink Butt Connectors Yellow 12-10 AWG - Marine Grade Butt Connectors - Wire Butt Splice Connectors - Electrical Waterproof Heat Shrink Butts by wirefy - **How much does it cost?** FREE with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/392793850-wirefy-50-pcs-heat-shrink-butt-connectors-yellow-12-10) ## Best For - wirefy enthusiasts ## Why This Product - Trusted wirefy brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Fast Heat Recovery:** Requires less heat to shrink and seal, saving you time while creating airtight, waterproof joints. - • **Marine-Grade Durability:** Premium tinned copper and adhesive-lined tubing for ultimate protection against moisture and corrosion. - • **Versatile Compatibility:** Perfectly fits 16-14 AWG stranded or solid wires—ideal for automotive, marine, RV, and home projects. - • **Value-Packed Reliability:** 150 connectors in one kit, trusted by thousands with a 4.7-star rating for professional-grade performance. - • **Effortless, Secure Crimps:** Thick seamless copper barrels ensure wires never slip, delivering rock-solid connections every time. ## Overview Wirefy Heat Shrink Butt Connectors offer 150 marine-grade, solderless connectors made from high-quality tinned copper with adhesive-lined heat shrink tubing. Designed for 16-14 AWG wires, they provide strong, waterproof crimps that resist corrosion and ensure reliable electrical connections in automotive, marine, and home wiring projects. Rated for 125°C, these connectors simplify installation with fast heat recovery and airtight seals, backed by thousands of positive reviews. ## Description Fast and efficient way to join wires, and protect your connection against any elements! Wirefy heat shrink butt connectors turn any electrical wiring job into a fun and a highly efficient process. When heat is applied adhesive seals the wire ends making your connection waterproof. These crimp butt connectors will protect your wiring against strain and vibration. Unlike their vinyl and nylon counterparts, these butt connectors are able to stand up to the harsh marine and automotive environments. Wirefy heat shrink butt connectors will increase current flow, prevent wire failures, reduce equipment downtime, and ensure less voltage drop. Your wire will never slip out of these waterproof wire connectors. If you are working on your boat, auto, home, RV, trailer or motorcycle wiring project, these heat shrink butt terminals will help you create secure and durable connections every time. Try one and see for youself - have confidence in every electrical connection you make.Heat Shrink Butt Connector Advantages: - Seamless copper barrels provide stronger wire grips - Tinned cooper barrels ensure maximum current flow - Butt connectors are easy to crimp and will not split - Waterproof connection is ensured by heat activated adhesive inside the heat shrink tubing - Heat shrink tubing recovers and forms a watertight seal - No wire damage due to low temperature heat shrink tubing recovery (Recovery starts at 176°F) - Wide range operating temperature (from -67°F to 257°F) - Convenient reusable case is included for easy access and storage - Wire gauge imprint on connectors Review: Buen producto y envío correcto - Buen producto Review: Prodotto ottimo consiglio per faretti da giardino - I migliori in assoluto uguali come qualità a quelli cembre ma con un costo veramente ridotto già usati 600 perfetti ## Features - MARINE GRADE BUTT CONNECTORS - Crafted from high quality tinned copper and adhesive lined heat shrink tubing. These professoinal butt connectors ensure protection against the elements. - STRONG CRIMPS - These butt connectors use thick, seamless copper barrels. Once crimped, your wire will not pull out of these butt splices. - EASY TO USE - Just make a crimp and apply heat. These wire connectors require less heat to recover, and will form an airtight seal. - WHAT'S INCLUDED - This value pack includes 50 PCS yellow heat shrink butt connectors that will work with any stranded or solid wire ranging from 12 to 10 AWG. - LIFETIME WARRANTY - All Wirefy electrical connectors are backed by our best-in-class lifetime warranty. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01DS5G05C | | Brand Name | Wirefy | | Color | Yellow | | Colour | Yellow | | Connector Type | Butt Splice | | Connector type | Butt Splice | | Contact Material | Copper | | Contact material | Copper | | Customer Reviews | 4.7 out of 5 stars 2,934 Reviews | | Global Trade Identification Number | 00857409007020 | | Insulation Material Type | Nylon | | Insulation material | Nylon | | Item Weight | 0.26 Pounds | | Manufacturer | Wirefy | | Material | Copper | | Material Type | Copper | | Model | BHT550-50 | | Number of Items | 50 | | Part Number | BHT550-50 | | Specification Met | UL | | Stud Size | 12 to 10 AWG | | Temperature Rating | From -67 to 257 F | | Terminal | Butt Terminal | | UPC | 857409007020 | | Unit Count | 50 Count | ## Product Details - **Colour:** Blue - **Connector type:** Butt Splice - **Contact material:** Copper - **Insulation material:** Polyolefin - **Terminal:** Butt Terminal ## Images ![Wirefy 50 PCS Heat Shrink Butt Connectors Yellow 12-10 AWG - Marine Grade Butt Connectors - Wire Butt Splice Connectors - Electrical Waterproof Heat Shrink Butts - Image 1](https://m.media-amazon.com/images/I/71vREn5AHoL.jpg) ![Wirefy 50 PCS Heat Shrink Butt Connectors Yellow 12-10 AWG - Marine Grade Butt Connectors - Wire Butt Splice Connectors - Electrical Waterproof Heat Shrink Butts - Image 2](https://m.media-amazon.com/images/I/61uFRMzHSJL.jpg) ![Wirefy 50 PCS Heat Shrink Butt Connectors Yellow 12-10 AWG - Marine Grade Butt Connectors - Wire Butt Splice Connectors - Electrical Waterproof Heat Shrink Butts - Image 3](https://m.media-amazon.com/images/I/81yNFGjOebL.jpg) ![Wirefy 50 PCS Heat Shrink Butt Connectors Yellow 12-10 AWG - Marine Grade Butt Connectors - Wire Butt Splice Connectors - Electrical Waterproof Heat Shrink Butts - Image 4](https://m.media-amazon.com/images/I/812FIHNZNeL.jpg) ![Wirefy 50 PCS Heat Shrink Butt Connectors Yellow 12-10 AWG - Marine Grade Butt Connectors - Wire Butt Splice Connectors - Electrical Waterproof Heat Shrink Butts - Image 5](https://m.media-amazon.com/images/I/714nyUNRvLL.jpg) ## Available Options This product comes in different **Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Buen producto y envío correcto *by C***N on 12 March 2026* Buen producto ### ⭐⭐⭐⭐⭐ Prodotto ottimo consiglio per faretti da giardino *by A***O on 4 July 2025* I migliori in assoluto uguali come qualità a quelli cembre ma con un costo veramente ridotto già usati 600 perfetti ### ⭐⭐⭐⭐⭐ Best Heat Shrink Butt connector's I've yet used. *by B***S on 26 August 2026* I bought a set of these wirefy heat shrink butt connectors to use with a wirefy heat shrink ratcheting crimper. In the past I have used Amazon off brand crimpers and connectors with mixed results. Thankfully, these connectors when combined with a Wirefy Crimper (be sure to use one designed for heat shrink connectors and not nylon) work very well and produce reliable and secure connections. The fact that these are actually tinned copper and not Aluminium or Brass is great too as you get much better conductivity with less resistance. The heat shrink works well once shrunk for keeping the connection water proof, ideal for car and boat use. In short, these wirefy connectors are a solid choice. ## Frequently Bought Together - Wirefy 150 PCS Heat Shrink Butt Connectors Blue 16-14 AWG - Marine Grade Butt Connectors - Wire Butt Splice Connectors - Electrical Waterproof Heat Shrink Butts - Crimping Tool For Heat Shrink Connectors - Ratcheting Wire Crimper - Crimping Pliers - Ratchet Terminal Crimper - Wire Crimp Tool by Wirefy - Wirefy Heat Shrink Crimp Connectors Kit - Heat Shrink Wire Connectors - Automotive Wire Connectors Kit - Insulated Ring, Spade, Fork, Hook & Butt Terminal Connectors - 22-10 Gauge - 540 PCS --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/392793850-wirefy-50-pcs-heat-shrink-butt-connectors-yellow-12-10](https://www.desertcart.us/products/392793850-wirefy-50-pcs-heat-shrink-butt-connectors-yellow-12-10) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-09-13*