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U-Bolted Parallel Groove Connector

Parallel groove clamps are mechanical connectors designed for reliable and low-resistance electrical and mechanical bonding of two parallel conductors in overhead power line systems. Ideal for tapping, splicing, or bonding applications, they are widely used in transmission and distribution networks for both copper and aluminum conductors.
Key Features:

  • High-Conductivity Materials: Made from aluminum, copper, or bimetallic alloys for optimal current transfer.
  • Precision Grooved Design: Maximizes contact surface and ensures firm conductor seating.
  • Multiple Bolt Configurations: Available in single, double, or triple bolt designs for increased clamping force.
  • Corrosion-Resistant Coatings: Anodized, galvanized, or tin-plated for extended outdoor durability.
  • Anti-Vibration Hardware: Includes spring or lock washers to maintain tension under thermal and mechanical stress.
  • Bimetallic Options Available: Safe and effective for copper-to-aluminum connections.
  • Tool-Free Live-Line Installation: Compatible with hot-line techniques for energized line work (select models).
  • Insulated Models: Optional UV-resistant covers for use in LV-ABC systems.

Product Details

General

Bolt Head TypeU-Bolt
Bolt Installation Torque (Recommended)0 ft-lbs
Cover AvailableNo
EU RoHS IndicatorNo
MaterialAluminum
Material – BodyAluminum Alloy
Material – Body HalvesAluminum Alloy
Material – BoltGalvanized Steel
Material – Bottom MemberCopper Alloy
Material – CastingAluminum Alloy
Material – HardwareGalvanized Steel
Material – SpacerAluminum Alloy, Copper Lined
PlatingNo
Product CategoryMechanical Connectors
StyleTwo U-Bolt

Dimensions

Bolt Diameter0.5 in (12.7 mm)
Weight0.98 lb (0.44 kg)

Conductor Related

Conductor Diameter (Tap) – Maximum0.728 in (18.49 mm)
Conductor Diameter (Tap) – Minimum0.368 in (9.35 mm)
Conductor Diameter – Maximum1.126 in (28.6 mm)
Conductor Diameter – Minimum0.666 in (16.92 mm)
Conductor Diameter Range0.666 in – 1.126 in

Logistics

Pallet Quantity405

Resources and Downloads

SpecificationsDownload PDF
Technical DrawingsDownload PDF