--- product_id: 283803876 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 url: https://www.desertcart.us/products/283803876-wirefy-50-pcs-heat-shrink-butt-connectors-yellow-12-10 store_origin: US region: United States of America --- # 12-10 AWG compatibility Marine-grade waterproof seal Low heat activation at 176°F 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 connection — waterproof, worry-free wiring! ## 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/283803876-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 - • **Secure Crimping:** Thick seamless barrels prevent wire pull-out under strain and vibration - • **Wide Temp Range:** Operates flawlessly from -67°F to 257°F for any environment - • **Effortless Sealing:** Heat-activated adhesive forms airtight, waterproof connections every time - • **Pro-Grade Value Pack:** 50 connectors in a reusable case, backed by a lifetime warranty - • **Unmatched Durability:** Tinned copper barrels resist corrosion and ensure max current flow ## Overview Wirefy’s 50-pack yellow heat shrink butt connectors are marine-grade, crafted from tinned copper with adhesive-lined tubing that activates at just 176°F. Designed for 12-10 AWG wires, they deliver waterproof, vibration-resistant, and corrosion-proof splices ideal for automotive, marine, and home electrical projects. Backed by a lifetime warranty and UL certification, these connectors ensure professional-grade, long-lasting electrical connections that reduce downtime and voltage drop. ## 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 ## 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 | | Connector Type | Butt Splice | | Contact Material | Copper | | Customer Reviews | 4.7 4.7 out of 5 stars (2,933) 4.7 out of 5 stars | | Global Trade Identification Number | 00857409007020 | | Insulation Material Type | Nylon | | Item Weight | 0.26 Pounds | | Manufacturer | Wirefy | | 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 | | Unit Count | 50 Count | | Upc | 857409007020 | ## Product Details - **Colour:** Yellow - **Connector type:** Butt Splice - **Contact material:** Copper - **Insulation material:** Nylon - **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 on Reviewed in Spain 12 March 2026* Buen producto ### ⭐⭐⭐⭐⭐ Prodotto ottimo consiglio per faretti da giardino *by on Reviewed in Italy 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 on Reviewed in the United Kingdom 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 50 PCS Heat Shrink Butt Connectors Yellow 12-10 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 - 150 PCS Wirefy Female Spade Connectors - Heat Shrink Spade Connector Kit - Quick Disconnect Wire Connectors - Electrical Spade Terminals - Blue 16-14 Gauge --- ## 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/283803876-wirefy-50-pcs-heat-shrink-butt-connectors-yellow-12-10](https://www.desertcart.us/products/283803876-wirefy-50-pcs-heat-shrink-butt-connectors-yellow-12-10) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-09-22*