What are the characteristics of flame retardant cables and how should they be used?
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- Time of issue:2021-06-25
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(Summary description)Wire and cable is an important medium for power transmission. The quality will not only affect the safe and stable operation of the power grid, but also cause economic losses and even endanger everyone's life safety in case of failure.
What are the characteristics of flame retardant cables and how should they be used?
(Summary description)Wire and cable is an important medium for power transmission. The quality will not only affect the safe and stable operation of the power grid, but also cause economic losses and even endanger everyone's life safety in case of failure.
- Categories:Company news
- Author:
- Origin:
- Time of issue:2021-06-25
- Views:0
Wire and cable is an important medium for power transmission. The quality will not only affect the safe and stable operation of the power grid, but also cause economic losses and even endanger everyone's life safety in case of failure. Therefore, wire and cable technology is constantly updated, and flame retardant cables have come into everyone's vision, Compared with ordinary cables, they may be burned out and cannot run in case of fire, but they can prevent the spread of fire. In other words, in case of fire of wires and cables, the combustion can be limited to a local range without spreading, so as to keep other equipment and avoid greater losses. However, considering the cost and other issues, it is not widely used in many scenarios. If flame retardant cables are used, you must pay attention to the following points:
First of all, non flame retardant cables and flame retardant cables should not be used together, but should be configured separately, because if the non flame retardant cable catches fire, it will ignite the flame retardant cable, which makes the flame retardant cable unable to play its due role.
Secondly, when the flame-retardant cable is used in the open laying scene, the external fire-resistant protection mode can be added, and even the flame-retardant coating and tape can be added to the cable or the cable can be threaded into the fire-resistant pipe. If there is no flammable dust in the environment, the cable protection part can also use the fire bag in a short time. Non flammable mineral insulated cables can be used for fire-resistant material requirements, installation and economic performance acceptance in oil tank farm, important wood structure public buildings, high-temperature places and so on. If self-contained oil filled cables are clearly applied to public corridors, bridges, etc., fire protection treatment can be carried out and sand can be laid. Cable trays near high voltage current, voltage transformers and other oily equipment shall make the trench cover plate of this section compact. These are good protective measures.
Then, assuming that the place where the flame-retardant cable is used is a dense place: the automatic fire detection and reminder device shall be installed on the dense cable or closed channel with high safety and stability requirements. The oil supply system of oil filled cable shall be equipped with automatic fire alarm and locking device which can reflect the fuel injection condition. Places with high safety and stability requirements such as dense underground public facilities and multiple oil filled cable terminals can be equipped with special fire-fighting facilities such as water mist fire extinguishing.
Finally, flame retardant cables produced by regular manufacturers must be used. If you want to give full play to the characteristics of flame-retardant cables, you need not only standardized use, but also your own quality. The above are the precautions for using flame-retardant cables. I hope you can understand more, lay and use them in strict accordance with the specifications, make full use of the excellent performance of flame-retardant cables, and ensure the safety of life and property.
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