Hot Dip Galvanized Steel Parallel Groove JBB Clamp for Wire Connection Direct From Factory in Hebei China

A hot-dip galvanized steel parallel groove clamp (JBB type) designed for reliable and efficient electrical wire connections. This clamp ensures secure, low-resistance joints between parallel conductors, with excellent corrosion resistance for outdoor utility applications.

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Jiujin Electric Power’s Parallel Groove JBB Clamp is engineered to create durable and electrically efficient connections between parallel wires in overhead power lines. Fabricated from high-quality steel and finished with a heavy-duty hot-dip galvanized coating, this clamp offers superior protection against rust, corrosion, and environmental wear. The parallel groove design distributes pressure evenly across the conductors, minimizing contact resistance and preventing overheating. Its simple yet robust construction allows for easy installation with standard tools, reducing labor time while ensuring long-term performance. Manufactured in our Hebei facility under strict quality control, this clamp meets international standards for electrical safety and reliability in distribution and transmission networks.

   Varieties & Types Table

Feature / Type Specifications & Options Available by Jiujin Electric Power
Model/Type JBB-50, JBB-70, JBB-100 (Denotes compatible conductor size in mm²)
Material High-Strength Steel (Grade Q235B)
Standard Complies with IEC 61284, ASTM F855, and GB/T 2314
Coating/Finish Hot-Dip Galvanized (Minimum coating thickness: 55µm)
Size / Dimensions Fits conductor sizes: 50mm²–100mm²; Clamp length: 80mm–120mm
Current Rating 200A (50mm²), 300A (70mm²), 400A (100mm²)
Packaging Individual clamps with nuts/bolts; packaged in boxes or bulk

   Applications of Use

  • Overhead Line Connections: Joining parallel conductors in distribution and transmission lines

  • Service Drops: Connecting service wires to main lines in electrical networks

  • Repair and Maintenance: Splicing damaged conductors quickly and reliably

  • Low-Resistance Joints: Ensuring efficient current flow with minimal voltage drop

  • Corrosive Environments: Ideal for coastal, industrial, and high-humidity areas

  • Temporary Power Setups: Providing secure connections for temporary installations

  • Renewable Energy Projects: Wiring connections in solar and wind power systems