Conductor splices in electrical transmission systems

Conductor splices in electrical transmission systems

A conductor splice in electrical transmission refers to the method or device used to join two segments of an electrical conductor together. Splicing is essential in overhead power lines, underground cables, or other electrical systems to maintain mechanical strength, electrical continuity, and reliability. Conductor splices ensure seamless current flow while maintaining the structural integrity of the line.

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Aluminum Based High Temperature Low Sag Conductors

Aluminum Based High Temperature Low Sag Conductors

Aluminum-based high-temperature conductors are advanced overhead power line conductors designed to operate efficiently at elevated temperatures without significant loss of mechanical strength or electrical performance. These conductors are essential for increasing the power-carrying capacity of transmission and distribution lines, particularly in modern energy grids that require high efficiency and reliability.

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PLP Canada - THERMOLIGN™ Support

PLP Canada - THERMOLIGN™ Support

PLP’s THERMOLIGN® Support Products are designed for trunnion applications on high-temperature, low-sag (HTLS) conductors, ensuring reliable mechanical support and heat dissipation. These products are essential for securing aluminum-based conductors operating at continuous temperatures above 200°C, making them ideal for modern power transmission systems.

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PLP Canada - THERMOLIGN™ Suspension

PLP Canada - THERMOLIGN™ Suspension

PLP's THERMOLIGN® Suspension Products are engineered for high-temperature, low-sag (HTLS) conductors in electrical transmission systems. These products provide essential mechanical support and ensure the conductor's integrity while functioning under high temperatures and significant mechanical loads. They keep the conductor securely positioned and functioning effectively, even in challenging conditions. Designed for aluminum-based high-temperature conductors exceeding 200°C, this suspension system incorporates a multi-layer design that enhances mechanical performance and heat dissipation. Additionally, it features a cushioned insert that shields the conductor from loads caused by wind and ice at support structures.

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PLP Canada - THERMOLIGN™

PLP Canada - THERMOLIGN™

Preformed Line Products' THERMOLIGN® group of products is a specialized line of hardware solutions engineered for high-temperature, low-sag (HTLS) conductors in transmission systems.

While the operating temperatures of conventional conductors are between 90-150°C, HTLS conductors can operate in the 150-250°C range. PLP’s THERMOLIGN® products are designed to withstand continuous operating temperatures up to 250°C, making them ideal for modern power grids that demand higher capacity and efficiency.

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SYNC 2025

SYNC 2025

The SYNC Conference & Exhibition serves as an educational event focusing on essential engineering, operational, and management challenges encountered by electrical utilities in Atlantic Canada. This is a chance for suppliers, manufacturers, and service providers to connect and present their products and services. Composite Power Group East will be exhibiting in booth #7&8, and our partners from Dynamic Ratings will be exhibiting in booth #1.

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PLP Canada - AEOLUS™

PLP Canada - AEOLUS™

Aeolus is a revolutionary new field testing solution that enables line engineers and electric utilities to monitor and analyze wind-induced conductor motion on overhead lines - empowering individuals to delve deeper into the mechanical behavior of overhead conductors and associated transmission line hardware like never before.

Whether assessing newly installed damping systems or investigating line failures, engineers can now gain valuable insights into the dynamic forces of real-world conductor motion in near real-time from anywhere in the world.

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PLP Canada - Inspection Services

PLP Canada - Inspection Services

Offering advanced UAV and imaging technology, GIS mapping, detailed analysis from experienced industry engineers, and actionable data, PLP Inspection Services is the asset maintenance solution utilities need.


Utilizing state-of-the-art UAS technology, experienced field crews, and expert analysis, PLP Inspection Services offers unmatched precision and comprehensive inspection results.

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