Copper Wire Ferrule Crimp Connector Kit – 7 Sizes, 125–578 Pcs
Copper Wire Ferrule Crimp Connector Kit – 7 Sizes, 125–578 Pcs
Copper Crimp Connector & Wire Ferrule Assortment Kit – 7 Sizes, Up to 578 Pieces
Build reliable, professional-grade electrical connections with this comprehensive non-insulated copper butt terminal and wire ferrule assortment kit. Whether you're wiring a vehicle, home electrical panel, marine application, or industrial equipment, this kit gives you the right crimp connector for the job — every time.
Key Features
- Material: Pure copper construction for excellent electrical conductivity and strong mechanical toughness
- 7 Sizes Included: Covers a wide wiring range of 1–16 mm² to handle a broad variety of wire gauges
- Kit Options: Choose from 125, 250, 414, or 578-piece sets — pick the quantity that suits your project
- Straight-Through (Butt) Design: Ideal for joining two wires end-to-end with a clean, secure crimp connection
- Organized Storage: All seven specifications are packed neatly in a reusable storage box for easy access and portability
- Non-Insulated Style: Compatible with heat shrink tubing or insulating sleeves of your choice for custom finishing
- Versatile Use: Suitable for automotive, marine, home electrical, HVAC, solar, and general DIY wiring projects
Specifications
| Material | Copper |
| Type | Non-Insulated Butt Crimp Terminal / Wire Ferrule |
| Wiring Range | 1–16 mm² |
| Sizes Included | 7 distinct sizes |
| Piece Count Options | 125 / 250 / 414 / 578 pcs |
| Connection Method | Straight-through (butt splice) |
| Country of Origin | Made in China |
Why Choose Copper Crimp Connectors?
Copper is the industry standard for electrical connectors due to its superior conductivity, corrosion resistance, and long-term durability. A proper crimp connection, when applied with the correct tool, creates a gas-tight joint that is both mechanically secure and electrically sound — often outperforming soldered connections in vibration-prone environments.
For guidance on safe electrical wiring practices, visit the U.S. Consumer Product Safety Commission (CPSC) Electrical Safety Resource.
What's in the Box
- Copper butt crimp terminals / wire ferrules in 7 sizes (1–16 mm²)
- Organized storage box
- Quantity: 125, 250, 414, or 578 pieces (depending on selected variant)
Note: Colors in product images may vary slightly depending on monitor brightness and display settings. Minor dimensional variations within standard manufacturing tolerances may apply.
Frequently Asked Questions
Q: What wire sizes do these copper crimp connectors fit?
A: This kit covers a wiring range of 1–16 mm², spanning 7 different sizes. This makes it compatible with a wide variety of wire gauges commonly used in automotive, marine, household, and industrial electrical wiring applications.
Q: Are these butt terminals insulated or non-insulated?
A: These are non-insulated copper crimp connectors. You can pair them with your preferred heat shrink tubing or insulating sleeves after crimping to achieve the level of protection you need for your specific application.
Q: What tool do I need to crimp these wire ferrule connectors?
A: A standard wire crimping tool compatible with non-insulated terminals in the 1–16 mm² range is recommended. Using the correct crimping tool ensures a secure, gas-tight connection for optimal electrical performance.
Q: Which size kit should I choose — 125, 250, 414, or 578 pieces?
A: Choose based on the scale of your project. The 125-piece set is great for small DIY jobs, while the 578-piece kit is ideal for professional electricians, mechanics, or hobbyists who want a fully stocked assortment on hand at all times.