What happened to the fire in the middle of an electric heating cable

Published on:

2019-07-10 15:38

An electric heating cable consisting of two parallel metal wires, a conductive polymer and an insulating sheath, is a heating device that can automatically adjust the heating temperature and power output. Sometimes the middle part of the electric heating cable suddenly lights up. This is how it happens. Happened?

电伴热带中部起火是怎么回事

We all know that there is an insulating sheath on the outside of the electric heating cable, its function is to protect the conductive polymer and the wires inside, but when we install it, it will inevitably bend, etc. D. If the insulation shell is damaged to a certain extent, it will be damaged after a long time. If it gets into a humid environment such as rain and snow, the circuit will have a short circuit and cause a fire. In addition, when we install an electric heating cable, if we neglect its protection, it is very likely that the core of the wire will be damaged due to problems such as tension and stepping on it, which will lead to a fire. -Long operation with high power will result in too high local temperature and cause a fire.

Whether it is on the construction site or in the working stage after the construction is completed, the ignition of the electric heating cable is very dangerous, so the construction unit and users should pay attention to this problem.

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