Insulation piercing connectors (IPCs) are essential for creating reliable electrical connections in AB cables without stripping insulation. Let’s explain how they work and why they’re a smart choice for industrial and renewable energy projects.
The piercing connector for AB cable: Working Principles
Mechanical Contact Area
When two conductors connect, only the peaks of their uneven surfaces make contact. The smoothness of the conductor surface is inversely proportional to the height difference between peaks and valleys. IPCs use sharp, tin-plated blades to pierce insulation, increasing the effective contact area by 2x compared to traditional clamps.
This reduces resistance and improves conductivity.
Current Flow Path
Pressure from the connector’s torque nut breaks through the aluminum oxide (Al₂O₃) layer on conductors.
Aluminum’s natural plasticity allows the blades to mold into the cable, creating a gas-tight connection that resists oxidation.
Why Choose IPCs Over Traditional Clamps?
Larger Contact Area
IPCs create 2x more contact points than parallel clamps, ensuring stable current flow.
No Insulation Stripping
Blades pierce insulation cleanly, saving time and reducing installation errors.
Durability
Built for Harsh Environments
Robust Materials
Corrosion resistance: Zinc alloy torque nuts and tin-plated blades withstand salt spray, chemicals, and UV exposure.
Maintains ≥95% cable tensile strength post-installation.
Waterproof Design
Self-sealing structure, moisture-proof, water-proof, and corrosion-proof
Conforms to the relevant test requirements of GB/T13140.1- 1998 Part II standards
How to Install an IPC for AB Cables
- Place the main and branch cables into the connector’s channels.
- Tighten the torque nut with a socket wrench until it snaps off.
- The blades pierce the insulation, forming a secure connection.
- Silicone gel seals the joint, blocking moisture.
Need IPC Solutions?
Explore our range of UL-certified piercing connector for ab cable. Contact us for free samples or technical support!
At WZUMER, we specialize in delivering high-quality, affordable cable accessories tailored to your industrial needs. Whether you’re upgrading power grids or building solar farms, our products and services ensure reliability and efficiency.
