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Fire-Resistant Cables- Heat Release Measurements
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Fire Resistant cables are designed to maintain the circuit integrity of the cable even during fire conditions. In general, the fire-resistant cables are made up of flame retardant zero halogen materials, so that the fire hazard such as flame propagation and smoke release of these cables are controlled. However, one more fire hazard of these fire-resistant cables is nothing but the heat released from these cables during a fire. Heat release of these cables depends upon the fuel loading of the cables and the energy available in the materials of these Fire Resistant or Fire Survival (FS) cables. In this paper, the heat release of FS cables is measured for various construction of the FS cables.
Keywords
Fire Resistant Cables, Glass-Mica Insulation, Heat Release, Silicone Insulation.
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- BS 6387 - Test method for resistance to fire of cables required to maintain circuit integrity under fire conditions
- IEC 60331 - Tests for electric cables under fire conditions - Circuit integrity
- BS 8491 - Method for assessment of fire integrity of large diameter power cables for use as components for smoke and heat control systems and certain other active fire safety systems
- IS 17505 - Specification for Thermosetting Insulated Fire Survival Cables for Fixed Installation having Low Emission of Smoke and Corrosive Gases when Affected by Fire for Working Voltages upto and including 1100 Vac and 1500 Vdc
- BS EN 50200 - Method of test for resistance to fire of unprotected small cables for use in emergency circuits.
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