Best Non-Insulated Butt Terminals of 2026

Brian Howie Avatar
Brian Howie
Last Updated: Jan 24, 2026

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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

Glarks Non-Insulated Butt Connectors Assortment Kit Cover #TOP 1
Glarks Non-Insulated Butt Connectors Assortment Kit
ftb score rating icon 9.8
Wirefy 100 PCS Non Insulated Butt Connectors Kit Cover #TOP 2
Wirefy 100 PCS Non Insulated Butt Connectors Kit
ftb score rating icon 9.7
AIRIC Non-Insulated Butt Connectors Cover #TOP 3
AIRIC Non-Insulated Butt Connectors
ftb score rating icon 9.5

Top 10 Non-Insulated Butt Terminals

#TOP 1

Glarks Non-Insulated Butt Connectors Assortment Kit

GLLALJT-200
Silver
Glarks Non-Insulated Butt Connectors Assortment Kit Cover
Glarks 220Pcs Non-Insulated Butt Connectors Assortment Kit, 22-16/16-14/14-12/12-10 AWG Gauge Seamless Uninsulated Electrical Wire Ferrule Cable Crimp Terminal Kit for Electrical Splice DIY

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.

What We Like
Durable copper material
Easy wire insertion
Convenient storage and carrying
#TOP 2

Wirefy 100 PCS Non Insulated Butt Connectors Kit

BN-100
Silver
24-8 Gauge
Wirefy 100 PCS Non Insulated Butt Connectors Kit Cover
Wirefy 100 PCS Non Insulated Butt Connectors Kit - Uninsulated Crimp Wire Connectors - 24-8 AWG

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.

What We Like
Good quality connectors
Thick and durable material
Easy to handle and crimp
Compact size for neat splices
Great value for money
#TOP 3

AIRIC Non-Insulated Butt Connectors

4330120893
100 pcs
16-14 AWG
AIRIC Non-Insulated Butt Connectors Cover
AIRIC UL Listed Non Insulated Butt Connectors 16-14 AWG, 100 pcs Electrical Seamless Crimping Terminals, Uninsulated Wiring Crimps Connector, Bare Copper Crimp Splice Terminal for 16,14 Gauge Wire

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.

What We Like
Durable T2 copper material
Corrosion-resistant coating
Easy wire connection
Strong and reliable performance
Versatile applications
#TOP 4

Nilight Pure Copper Non-Insulated Butt Connectors Kit

50093R
Nilight Pure Copper Non-Insulated Butt Connectors Kit Cover
Nilight 100PCS Non Insulated Butt Connectors Kit AWG 24-8 Uninsulated Crimp Butt Connectors Pure Copper Tin Coated Crimp Terminals for Motorcycle Motorbike Car Truck Boats

The Nilight Copper Butt Connectors offer reliable and efficient wire connections thanks to their construction from high-quality pure copper. This material ensures excellent electrical conductivity, giving you a strong and consistent connection for your wiring projects. The connectors feature chamfered barrel ends, making it easy to insert wires quickly and securely, saving you time and effort. Additionally, their matte tin coating helps protect against corrosion, so your connections stay durable, even in harsh conditions. These connectors are great for custom wiring or repairs, providing a safe and long-lasting solution for automotive, marine, and other electrical needs.

What We Like
High conductivity copper
Easy wire insertion
Corrosion-resistant coating
Durable and reliable
#TOP 5

AIRIC Non-Insulated Butt Connectors

4330120886
100 pcs
22-16 AWG
AIRIC Non-Insulated Butt Connectors Cover
AIRIC UL Listed Non Insulated Butt Connectors 22-16 AWG,100 pcs Electrical Seamless Crimping Terminals,Uninsulated Wiring Crimps Connector, Bare Copper Crimp Splice Terminal for 22,20,18,16 Gauge Wire

AIRIC Non-Insulated Butt Connectors are made of T2 copper tubular and electro-tin plated for corrosion resistance. These connectors are easy to connect with electrical wire, ensuring the effect of compression, and strengthening its reliability and safety. The package includes 100pcs 22-16 AWG uninsulated butt connectors, which are widely used in machinery, electric power, railway, shipbuilding, aviation, home appliances, computers, and other automatic equipment.

What We Like
Durable T2 copper tubular material
Corrosion resistance with electro-tin plating
Wire stop barrier for center compression
Widely applicable in various industries
Comes in a pack of 100pcs

Sopoby Butt Splice Connectors

Amazon-Sop-1122US
Sopoby Butt Splice Connectors Cover
460PCS Non Insulated Butt Connectors Kit, Sopoby Butt Splice Connectors, 24-8 Gauge Uninsulated Wire Connectors of Tinned Red Copper, Electrical Crimp Terminals

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.

What We Like
Versatile
Strong crimps
Excellent conductivity
#TOP 7

BAALA 520 PCS Non Insulated Copper Butt Connectors Kit

BAALA
520PCS 26-8Ga Tinned Copper Butt Splice
Tinned Copper
26-8 AWG Kit 520PCS
BAALA 520 PCS Non Insulated Copper Butt Connectors Kit Cover
BAALA 520 PCS Non Insulated Butt Connectors Kit,26-8 Gauge Butt Splice Connector Uninsulated Wire Splice Connectors, Tinned Copper Marine Grade Seamless Barrel Crimping Butt Terminals

The BAALA Copper Butt Connectors offer a reliable solution for wiring needs with their pure copper construction, ensuring excellent conductivity and reducing heat buildup to prolong wire life. You’ll find it easy to work with thanks to its well-shaped design that allows smooth crimping without breaking terminals. This kit covers a wide range of wire sizes, making it versatile for various projects, whether solid or stranded copper wire. Plus, the internal wire-stop and chamfered barrel design help you insert wires correctly and quickly, saving time and ensuring secure connections every time.

What We Like
Pure copper material
Wide wire gauge assortment
Easy wire insertion design
Marine-grade corrosion resistance
#TOP 8

ROCKDIG 410PCS Copper Wire Connector Kit

Silver
ROCKDIG 410PCS Copper Wire Connector Kit Cover
RockDIG Electrical Wire Connectors, 410 PCS AWG 22-16 16-14 12-10 Gauge Non-Insulated Butt Spade Ring Terminal Lug Crimp Connectors Assortment Kit

The ROCKDIG Wire Connector Kit offers a large selection of copper connectors that are designed to give you reliable electrical connections. Made from nearly pure copper with a tin coating, these connectors resist corrosion and provide excellent conductivity, which means your wiring will stay efficient and durable. The kit is versatile, perfect for automotive, marine, home appliance, and audio/video wiring projects, so you can trust it for various tasks. Plus, it comes in a sturdy plastic box with labels, helping you keep everything organized and easy to find whenever you need a connector.

What We Like
High-purity copper material
Corrosion-resistant tin plating
Wide application range
Organized storage box
#TOP 9

mankk 284PCS Non-Insulated Butt Connectors Kit

M-130-284PCS
B type
284PCS
mankk 284PCS Non-Insulated Butt Connectors Kit Cover
mankk 284PCS Non Insulated Butt Connectors Kit 26-6 Gauge Tinned Red Copper Butt Connector Uninsulated Butt Connector Wire Crimp Connectors for Electrical Appliances Cars Boats etc

The mankk Butt Connectors Kit offers high-quality, tin-plated copper connectors that resist corrosion and oxidation, ensuring long-lasting use and reliable electrical flow. These connectors provide excellent conductivity, helping you avoid wire overheating and maintain strong current flow. They are versatile enough for various applications, including furniture, car audio, and household appliances, making them perfect for electricians and DIY enthusiasts alike. The connectors feature a central dividing line, making wire insertion easier and ensuring a secure, aligned connection for optimal crimping. Using a crimping tool, you can quickly and effectively secure wires, improving safety and equipment cleanliness.

What We Like
Corrosion and oxidation resistance
Strong electrical conductivity
Versatile application
Easy wire insertion
Secure and aligned connection
#TOP 10

haisstronica Non-Insulated Butt Connectors Kit AWG 26-8

HS2028
haisstronica Non-Insulated Butt Connectors Kit AWG 26-8 Cover
haisstronica Non Insulated Butt Connectors Kit, AWG 26-8 120pcs Tinned Copper Splice Terminals with 120cs 3:1 Heat Shrink Tubing for Automotive Marine,Precision chamfered Uninsulated Wire Connectors

The haisstronica Butt Connectors Kit offers a complete set of 120 non-insulated connectors paired with 120 heat shrink tubes, making it easy for you to handle automotive, marine, or DIY electrical projects without hunting for separate parts. Each connector is made from high-quality red copper with a tin coating, giving you reliable resistance against rust and corrosion to ensure long-lasting connections. The connectors feature a beveled design that helps you slide wires in effortlessly, saving you time during installation. Plus, the heavy-duty barrels provide strong crimps, so you can trust your wiring stays secure and properly aligned every time.

What We Like
Complete connector and tubing set
Corrosion-resistant tin-plated copper
Beveled wire entry
Strong, secure crimps
Buying Guide Image

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.

Editor's Notes

During our non-insulated butt terminal research, we found 24 non-insulated butt terminal products and shortlisted 10 quality products. We collected and analyzed 40,316 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 $14.78.

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 Glarks, Wirefy, AIRIC, Nilight, Sopoby. The seller of top 1 product has received honest feedback from 657 consumers with an average rating of 4.8.

Written by
Brian Howie Avatar

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.