Best Non-Insulated Butt Terminals of 2025

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Non-insulated butt terminals are a type of electrical connector used to join two or more wires together. These terminals are made of high-quality materials, such as copper or brass, and are designed to provide a secure and reliable connection. Non-insulated butt terminals are ideal for applications where there is no risk of electrical shock or short-circuiting, as they do not have any protective covering. These terminals are commonly used in automotive, marine, and industrial applications, as well as for DIY projects. They come in a range of sizes and are easy to install with a crimping tool.
At a Glance: Our Top Picks
Top 10 Non-Insulated Butt Terminals
Sopoby Butt Splice Connectors
Sopoby Butt Splice Connectors are a versatile kit of 460pcs uninsulated butt splice connectors for 24 to 8 gauge wires. These connectors are perfect for various applications such as automotive, marine, and DIY projects. The thick and seamless butt connector barrels ensure strong crimps, making them reliable and long-lasting. The pure copper construction ensures excellent conductivity, and the thin layer of tin protects the connectors from corrosion. To ensure optimal performance, it is recommended to use heat shrink tubing to insulate the connections. With Sopoby's lifetime warranty and dedicated customer service, you can buy with confidence knowing that assistance is available if you have any questions or concerns.
Wirefy 100 PCS Non Insulated Butt Connectors Kit
The Wirefy 100 PCS Non Insulated Butt Connectors Kit includes versatile uninsulated butt splice connectors for 24 to 8 gauge wires, ensuring excellent conductivity with pure copper material and preventing wire slippage with strong crimps. For best results, it is recommended to use dual wall, adhesive lined heat shrink tubing to insulate connections. Additionally, Wirefy provides a lifetime warranty and excellent customer service.
haisstronica 600PCS Non Insulated Ring Terminal Kit
The haisstronica Terminal Kit is a versatile solution for all your electrical projects. With 600pcs of non-insulated terminals, including ring, fork, and butt splice terminals, this kit is suitable for 22-10 gauge wires. The pure copper construction ensures superior conductivity, allowing for optimal electrical flow and eliminating signal loss or poor connections. The brazed seam design ensures a strong and secure connection, preventing your wire from slipping out. These terminal connectors are built to withstand even the harshest conditions, making them durable in any environment. Whether you're working on automotive, marine, industrial, or home electrical projects, the haisstronica Terminal Kit is the perfect choice for quick and easy secure connections.
Weewooday 150 Pieces Non Insulated Butt Connectors
The Weewooday Butt Connectors are a set of 150 pieces of 22-16 gauge uninsulated butt connectors. Made from high-quality copper tubular with a tinned surface for corrosion protection, these connectors are designed to simplify the process of electrical splicing. With a wire stop barrier on center, they ensure the effect of compression and strengthen the reliability and safety of your electrical connections. These connectors are easy to use and suitable for non-bulky splices. They are perfect for building custom wire harnesses, making repairs to existing wiring, and can be widely applied in various industries such as machinery, electric power, railway, shipbuilding, aviation, home appliance, computer, and other automatic equipment. With ample quantity in the package, these connectors will satisfy all your different needs and replacement requirements.
Glarks Non-Insulated Butt Connectors Assortment Kit
The Glarks Butt Connectors Kit is a high-quality assortment of non-insulated butt connectors designed for electrical splicing. Made of durable red copper with a tin-plated surface, these connectors offer excellent electrical conductivity and resistance to oxidation and corrosion. The wire stop structure ensures a secure connection and easy insertion of the wire. With the included plastic box, storing and carrying the 220pcs of connectors is convenient. Whether you are building custom wire harnesses or making repairs to existing wiring, this kit provides the reliability, safety, and simplicity you need for your electrical projects.
Haisstronica Butt Connectors Kit 220pcs
The Haisstronica Butt Connectors are a versatile kit containing 220 non-insulated connectors in various sizes, suitable for wires ranging from AWG24 to AWG8. The unique design includes a wire barrier that ensures both sides are securely crimped, preventing wires from slipping out. Made from pure copper, these connectors provide excellent conductivity, ensuring your electrical connections are reliable and efficient. Installation is a breeze; simply insert the wires into the connector and crimp with the right tool, making it perfect for both beginners and experienced users.
420PCS Non-Insulated Butt Connectors Kit
This non-insulated butt connectors kit includes 420 pieces of connectors for 24-8 gauge wires. The tinned red copper material is easy to flatten and grasp the wires, ensuring they won't slip out of the connector. With a built-in separator, the incoming wires stay aligned to create tight and firm connections. The copper's excellent conductivity and corrosion-resistant surface guarantee a safer connection. Additionally, the manufacturer offers a 30-day money-back guarantee and a 12-month replacement warranty for a risk-free purchase.
AIRIC Non-Insulated Butt Connectors
The AIRIC Butt Connectors are crafted from high-quality T2 copper and feature a corrosion-resistant electro-Tin plating, ensuring durability and reliability in your electrical connections. The design includes a wire stop barrier that enhances compression, making it easier for you to securely connect wires. You’ll appreciate how simple these connectors are to use, providing a strong and safe connection every time. With 100 pieces included, they are perfect for various applications, whether in machinery, home appliances, or automotive settings.
Morris Non-Insulated Butt Splice Connectors
The Morris Butt Splice Connectors make electrical splicing easier and more efficient. Their non-insulated design features a rolled terminal, allowing for compact connections that save space. With a durable construction and a center wire stop barrier, these connectors resist corrosion, ensuring a long-lasting performance. You can choose from a variety of wire ranges, making it simple to find the right connector for any project. These reliable connectors are designed for quick and easy connections, giving you peace of mind in your electrical work.
120 Pcs Non Insulated Butt Connectors
The woshilaoDS Butt Connectors are made of high-quality T2 copper material, which provides excellent electrical conductivity and protects your butt joints from corrosion. These connectors are easy to use, allowing for quick and secure wire insertion from both ends. The seamless butt connector barrel ensures a strong crimp and prevents the wire from slipping out, enhancing safety during use. With a wide range of sizes included in the package, these connectors are suitable for various wire connections in home appliances, machinery, electric power, and more. The woshilaoDS Butt Connectors are durable and reliable, making them a practical choice for any electrical project.
Frequently Asked Questions (FAQs)
1. What is non insulated butt connector?
Home > Terminals > Butt-Connectors. Non-Insulated Butt Connectors - Brazed Barrel. Non-insulated brazed barrel butt connectors are terminals that are used to mate, connect, or terminate a single wire. Non-insulated butt splices are best suited when special performance or installation characteristics are not needed.
2. What is an insulated terminal?
2) PVC insulated terminals are the most common. The barrel of the terminal is insulated with PVC plastic to protect against short circuits. The PVC and the copper barrel are crimped once to fix the terminal to the bare wire. 3) Nylon insulated terminals are sometimes called “double crimp” terminals.
During our non-insulated butt terminal research, we found 24 non-insulated butt terminal products and shortlisted 10 quality products. We collected and analyzed 20,336 customer reviews through our big data system to write the non-insulated butt terminals list. We found that most customers choose non-insulated butt terminals with an average price of $15.19.
The non-insulated butt terminals are available for purchase. We have researched hundreds of brands and picked the top brands of non-insulated butt terminals, including Sopoby, Wirefy, haisstronica, Weewooday, Glarks. The seller of top 1 product has received honest feedback from 538 consumers with an average rating of 4.9.

Brian Howie is a content writer and senior industrial designer. After graduation from Westminster College, he has been engaged in product design and manufacturing for 18 years. Brian Howie has always found great pleasure in designing industrial products and sharing his ideas and experience online.