280-Piece Insulated Crimp Terminal & Wire Connector Set

280-Piece Insulated Crimp Terminal Set – Color-Coded Wire Connectors for Electrical & Auto Repair

Take the frustration out of electrical work with this all-in-one 280-piece insulated crimp terminal kit. Whether you're tackling an automotive wiring project, home electrical repairs, or upgrading your vehicle's audio system, this color-coded connector set gives you everything you need in one organised, portable box. Each terminal is fully insulated and easy to identify at a glance — saving you time and keeping your connections safe and secure.

Made in Mainland China.

Why You'll Love This Kit

• 280 Pieces in One Box – A comprehensive assortment of crimp terminals and connectors, so you always have the right piece on hand.
• Color-Coded for Convenience – Red, blue, and yellow connectors correspond to different wire gauges, making identification fast and error-free.
• Fully Insulated – Each terminal features a protective insulating sleeve that shields connections from short circuits, moisture, and vibration.
• Versatile Compatibility – Suitable for automotive wiring, marine applications, home appliances, DIY electronics, and general electrical repair.
• Durable Copper Contacts – Strong, corrosion-resistant copper construction ensures reliable conductivity and long-lasting connections.
• Neatly Organised Storage Box – Compartmentalised case keeps all terminals sorted and ready to use, perfect for the workshop or on-the-go jobs.
• Low Voltage Safe – Rated for low-voltage applications (below 50Vac or 75Vdc), ideal for 12V/24V automotive and standard residential wiring.

What's Included

• 280 assorted insulated crimp terminals (butt connectors, ring terminals, spade terminals, and more)
• Organised storage box with labelled compartments

Typical Applications

• Automotive electrical repair & modification
• Car audio and speaker wiring
• Marine & RV wiring
• Household appliance repair
• DIY electronics and hobby projects

Electrical Safety Resource

For best practices on safe electrical wiring and connection standards, visit the U.S. Consumer Product Safety Commission – Electrical Safety.

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Learn more: Electrical connector

Frequently Asked Questions

Q: What wire gauges are compatible with this crimp terminal set?

A: The 280-piece insulated crimp terminal kit covers a range of common wire gauges. The color coding makes it simple: red terminals are typically for 22–18 AWG (thin wires), blue terminals for 16–14 AWG (medium wires), and yellow terminals for 12–10 AWG (heavier wires). This makes the set ideal for most automotive, marine, and household applications.

Q: Do I need a special crimping tool to use these terminals?

A: Yes, a standard ratchet crimping tool or wire crimper compatible with insulated terminals is recommended to achieve secure, professional-grade crimps. Many universal crimping tools available at hardware stores are compatible with this set's color-coded connectors.

Q: Are these terminals suitable for outdoor or marine use?

A: Yes. The insulated sleeves on each terminal provide resistance against moisture and vibration, making them well-suited for marine wiring, RV electrical systems, and outdoor automotive applications. For fully waterproof connections in harsh environments, consider using adhesive-lined heat shrink terminals in addition.

Q: How are the terminals organised inside the box?

A: The kit comes in a compartmentalised storage box with separate sections for each terminal type and size. This keeps your workspace tidy and lets you quickly find the exact connector you need without rummaging through a bag of loose parts.