Ideal for underfloor heating installations. Ensures a secure connection without the need for additional insulation.
iHelios
Blue Insulated Through Butt Crimp Connectors 2.5mm
615 in stock
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Customer Reviews
Thank you for submitting your review
- 31-08-2025
- 19-06-2025
The 2.5mm size was perfect for my needs. Easy to use and provided a strong connection.
- 13-03-2025
Bought these for a home renovation project. They were easy to crimp and provided a solid connection.
- 22-11-2024
Used these for a quick repair on my car wiring. Crimped easily and held up well.
- 14-08-2024
Reliable and durable connectors. They made my electrical work more efficient and safe.
- 07-05-2024
Used them for a temporary fix on some outdoor lighting. They held up well against the elements.
- 29-02-2024
The blue insulation is a handy feature, making it easy to identify and ensuring a safe connection.
- 10-10-2023
Perfect for joining cables in tight spaces. The insulation makes it safe to use without additional covers.
- 01-07-2023
These connectors made my wiring job much easier. The insulation provided added safety.
- 25-04-2023
These connectors are a must-have for any electrician. They provide a secure and insulated connection every time.
- 17-01-2023
Great value for money. These connectors are reliable and easy to use, even for a DIY enthusiast like me.
iHelios Frequently Asked Questions
Strip the insulation to the correct length, fully insert each stripped conductor into each side of the connector, crimp securely with a proper crimping tool, and inspect to ensure a tight, reliable joint. (Best practices for butt connector installation)
They’re sold individually at around £0.10 each, with options often available in bulk packs (e.g., 10, 25, 50, or 100 pieces) for larger projects.
Yes. It’s commonly used to join conductors in infrared underfloor and ceiling heating film systems, providing secure, low-resistance electrical continuity.
This insulated butt connector is made for cables between 1.5 mm² and 2.5 mm² (approximately 16–14 AWG), making it ideal for common wiring tasks.
The connector features an insulated barrel, typically PVC or nylon, to ensure copper conductors are protected and insulated in electrical heating circuits.
Customer Reviews
Thank you for submitting your review
- 31-08-2025
Ideal for underfloor heating installations. Ensures a secure connection without the need for additional insulation.
- 19-06-2025
The 2.5mm size was perfect for my needs. Easy to use and provided a strong connection.
- 13-03-2025
Bought these for a home renovation project. They were easy to crimp and provided a solid connection.
- 22-11-2024
Used these for a quick repair on my car wiring. Crimped easily and held up well.
- 14-08-2024
Reliable and durable connectors. They made my electrical work more efficient and safe.
- 07-05-2024
Used them for a temporary fix on some outdoor lighting. They held up well against the elements.
- 29-02-2024
The blue insulation is a handy feature, making it easy to identify and ensuring a safe connection.
- 10-10-2023
Perfect for joining cables in tight spaces. The insulation makes it safe to use without additional covers.
- 01-07-2023
These connectors made my wiring job much easier. The insulation provided added safety.
- 25-04-2023
These connectors are a must-have for any electrician. They provide a secure and insulated connection every time.
- 17-01-2023
Great value for money. These connectors are reliable and easy to use, even for a DIY enthusiast like me.