A client specializing in aging machines and ovens approached ECHU Wire and Cable with a cable failure issue. They had been using a cable rated for 105°C, expecting it to withstand their operating environment of approximately 90°C for a year. However, the cable failed after only three months of use.
The client was puzzled by the cable's premature failure, believing that the 105°C rating indicated suitability for continuous operation at that temperature.
ECHU Wire and Cable dispatched an engineer to investigate the issue. Upon assessment, the engineer determined that the client had misunderstood the cable's temperature rating. The 105°C rating referred to the cable's maximum conductor operating temperature under normal conditions, with an aging temperature of 135°C.
The engineer explained that the cable's conductor temperature would rise above the ambient temperature when carrying current, similar to how water flows from a higher to a lower level. In the client's application, the high ambient temperature combined with the current flow caused the conductor temperature to exceed its rated limit, leading to accelerated aging and premature failure.
After clarifying the misunderstanding, ECHU's engineer recommended a different cable with a higher temperature rating and a conductor operating temperature suitable for the client's specific environment. This new cable was designed to withstand the combined effects of high ambient temperature and current flow, ensuring reliable performance and longevity in the client's aging machines and ovens.
By addressing the root cause of the cable failure and providing a tailored solution, ECHU Wire and Cable enabled the client to resume their operations with confidence, knowing that their cables were now properly suited for their demanding application.
ECHU's detailed assessment and tailored solution not only resolved the problem but also improved the reliability and performance of our aging machines and ovens
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