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Causes Of Overheating Of The Cable 2

May. 24, 2019

As a Fireproof Cable Supplier, we continue to summarize the reasons for the cable overheating.

1. The shorter the length of the power cord, the smaller the resistance, and the larger the cross-sectional area, the smaller the resistance. For most conductors, there is a certain relationship with temperature. The higher the temperature, the larger the resistance, but with a few conductors, the resistance decreases with increasing temperature.

2. The partial sheath of the Fireproof cable is damaged. After the water enters, the insulation performance is slowly damaged, resulting in the gradual reduction of the insulation resistance, which will also cause the Fireproof cable to overheat during operation.

Fireproof cable

3. At the time of installation, the cable arrangement is too dense, resulting in poor ventilation and heat dissipation.

4. The Fireproof cable is too close to other heat sources, resulting in improper heat dissipation.

5. The joint manufacturing technology is not good, the crimping is not tight, causing the contact resistance at the joint to be too large, causing the Fireproof cable to overheat.

6. The insulation performance of the Fireproof cable is not good, causing a small insulation resistance and overheating during operation.


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