Fire resistant cable is recognized as one of the key components in the safety of buildings and tunnels. These cables maintain their electrical performance for a specified period during fire conditions, thus preventing the failure of safety systems. The importance of this issue becomes evident when we consider the casualties and damages caused by building and industrial fires. In fact, many casualties result from the sudden failure of safety systems, which fire resistant cable can address.
Features of Fire Resistant Cable
Fire resistant cables have the feature of "circuit integrity" that allows them to continue supplying power at high temperatures and in direct contact with flames for a specified period, especially 90 or 180 minutes. This feature is essential in critical safety circuits such as fire pumps, smoke extraction fans, emergency lighting, and fire alarms. In high-rise buildings and commercial centers, these cables must remain active until the evacuation process is complete due to the time-consuming nature of evacuating people.
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The Importance of Fire Resistant Cable in Tunnels and Various Industries
Tunnels are typically enclosed spaces where smoke and heat accumulate rapidly. In these conditions, the use of low-smoke, halogen-free fire resistant cables becomes even more critical; less smoke means better visibility and safer breathing for passengers. In the steel, cement, and ceramics industries, where equipment is located near heat sources, the use of heat-resistant cables is also necessary.
Silicone fire resistant cable is recognized as one of the best options for harsh environments. This cable remains stable at temperatures ranging from minus 60 to plus 200 degrees Celsius and performs better compared to other insulations. Silicone is a safe option for use in sensitive projects due to its lack of black smoke and corrosive gases when burned.
Ultimately, the choice of a fire resistant cable should be based on valid test certification and its technical specifications, not merely on price. Many buyers seek the cheapest options, while this choice can increase safety risks. Therefore, reviewing test documentation and the manufacturer's credibility should be prioritized.
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