Skip to content


The 98039 1-Hole Lug is a robust copper compression lug designed for secure electrical connections. With a 400 conductor size, 1-hole configuration, 5/8-inch bolt size, and a standard barrel featuring a sight window, it is tin-plated with a distinctive blue color code for easy identification.

Product Overview

The 98039 ensures reliable electrical connections with its copper construction and compression design, suitable for a 400 conductor size. The 1-hole configuration and 5/8-inch bolt size allow for straightforward installation, while the standard barrel, sight window, and blue color code enhance visibility and simplify identification. With a durable tin-plated finish, this lug is well-suited for various applications where secure and efficient electrical connections are essential.


  • Material: Seamless electro-tin plated copper
  • Color: Blue
  • Dimensions: 3.105-inch overall length; 1.188-inch barrel length
  • Conductor: Copper conductor material; 35 kV voltage rating; 400 kcmil conductor size
  • Installation:
    • 5/8-inch stud size
    • I-76 die index
    • 1.25-inch L x 1.365-inch W x 0.187-inch Thk pad size
    • 1 pad hole(s)
    • Standard barrel type
  • Size 0.75-inch ID x 0.937-inch OD
  • Barrel type chamfered entry
  • Temperature Rating: 90 degrees Celsius

Uses and Cases 

  • Power Substations: Utilize the lug in power substations to connect and terminate large electrical conductors, ensuring a robust and efficient power distribution system.
  • Industrial Equipment: Apply the lug in heavy industrial equipment and machinery where high-conductivity connections are crucial for optimal performance and safety.
  • Renewable Energy Systems: Incorporate the lug in renewable energy systems such as wind or solar installations to establish secure connections between large conductors, contributing to the overall efficiency and reliability of the system.
  • High-Voltage Applications: Use the lug in applications requiring high-voltage connections, such as electrical transformers and other high-power equipment.
  • Commercial Buildings: Install the lug in commercial buildings for wiring applications, providing a reliable connection point for large electrical conductors in the building's electrical system.
  • Data Centers: Integrate the lug into data center electrical installations to facilitate secure and efficient connections between power sources and critical equipment.
  • Telecommunications Infrastructure: Apply the lug in telecommunications infrastructure for reliable electrical connections in large-scale equipment and systems.
  • Emergency Backup Systems: Incorporate the lug into emergency backup systems to ensure a dependable connection between power sources and backup generators for critical applications.
  • High-Powered Machinery: Utilize the lug in machinery and equipment requiring high-powered electrical connections, ensuring reliability and safety in operation.
  • Utility Infrastructure: Apply the lug in utility infrastructure, including power distribution panels and substations, to connect large conductors securely in high-current environments.

Item Features 

  • Seamless electro-tin plated copper material for enhanced conductivity and corrosion resistance.
  • Blue color for quick identification in electrical installations.
  • 3.105-inch overall length and 1.188-inch barrel length for a secure electrical connection.
  • Copper conductor material ensures efficient electrical performance.
  • 35 kV voltage rating suitable for various electrical applications.
  • Accommodates a 400 kcmil conductor size for versatility.
  • Designed for a 5/8-inch stud size and I-76 die index for precise crimping.
  • 1.25-inch length x 1.365-inch width x 0.187-inch thickness pad size with 1 pad hole for efficient cable attachment.
  • Size 0.75-inch ID x 0.937-inch OD for compatibility with different cable types.
  • Barrel type chamfered entry for ease of installation.
  • Temperature rating of 90 degrees Celsius for varied operating conditions.