As described by Divija Jain in their article “What are ETP Copper Bus Bars?” on Medium, ETP copper, short for Electrolytic Tough Pitch copper, undergoes an electrolytic refining process, ensuring high purity with a minimum copper content of 99.9%. ETP Copper Bus Bars, the flat, rectangular copper bars running through electrical panels or switchboards, facilitate power distribution to various circuits.

ETP copper bus bars possess exceptional conductivity with thermal and electrical conductivity ratings of 401 W/m K and 58 MS/m respectively, enhancing their suitability for electrical applications. They exhibit malleability, ductility, and resilience against corrosion, offering longevity and adaptability in diverse environments.

ETP copper bus bars serve various electrical purposes including power distribution, grounding, and circuit protection, finding applications in switchboards, panel boards, busway systems, transformers, data centers, and marine installations.

The utilization of ETP copper bus bars ensures efficient energy transmission, durability, and versatility, making them a preferred choice for optimizing electrical systems.

Click here to learn more about American Power Connection Systems’ capabilities or products.

Article with all rights reserved, courtesy of

Photo with all rights reserved, courtesy of