What causes cables to heat up

With the rapid economic development of domestic industry, more and more industry equipment need to use wire and cable, which also in recent years the cable industry to rapidly develop the reason. We all know that the cable in the use of the phenomenon of cable heating is often the case, if you can not solve the problem in a timely manner, a fire may occur tripping. 1. Selection of wire and cable model selection is not appropriate, after a long period of time after the operation of the heat is easy to start a fire. 2. Installation process, the installation of unprofessional installers, so that wire and cable is too tight, can not get a good fan heat ventilation, in the work of the power can also lead to heat. 3. Heat phenomenon.3. Wire and cable are not tightly crimped at the joints, resulting in excessive resistance at the joints, which may cause the overhead flat wire to heat up when it is energized for a long time.4. Purchase of poor-quality wire with poor insulation, resulting in low insulation resistance, which will cause heat phenomenon when it is operated for a long time.5. Inadequate consideration in the design and planning of the installation of wire and cable, and the selection of wire and cable with conductor resistance of the cable does not comply with the wire and cable, which is not compatible with the conductor resistance of the cable, and will not be able to be used for the installation of the wire and cable when the The energizing current is greater than the greater negative current will cause heating phenomenon.

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