What materials are essential in the construction of fire detection cables?

The choice of heat-resistant and fire-retardant materials for the construction of fire detection cables is critical for ensuring their effectiveness in a fire scenario. These materials are specifically designed to withstand high temperatures and resist ignition, which is essential for maintaining the integrity of the fire detection system.

Heat-resistant materials can endure the extreme conditions prevalent in a fire environment without being damaged. This property ensures that the detection system remains operational and can accurately monitor for signs of fire even when exposed to flames or high heat levels. Similarly, fire-retardant materials help to slow down the spread of fire along the cables, minimizing the risk of the fire detection system contributing to the fire's escalation.

Using standard copper wiring alone does not account for the requirements of a fire detection system, as it would not provide the necessary thermal protection or flame resistance. Likewise, biodegradable plastic materials may offer environmental benefits but lack the requisite durability and fire resistance for effective fire detection. Thus, materials that are specifically engineered for heat and fire resistance are essential for ensuring the reliability and safety of fire detection cables in critical applications such as power plants.