Is fire resistance the same as flame resistance for cables?

I. Is the fire-resistant and flame-retardant of cables the same? Fire-resistant cable in the rules of the experimental conditions, the specimen is extinguished in the flame, within a certain period of time can still adhere to the normal operation of the performance. Flame-retardant cable in the rules of the experimental conditions, the specimen is extinguished, after the withdrawal of the experimental fire source, the spread of the flame is only within the limits of the residual flame or residual burns in a limited period of time can be extinguished within the cable. 1. fire-resistant cable means: in the rules of the experimental conditions, the specimen in the flame is extinguished in a certain period of time can still adhere to the performance of the normal operation. Its basic characteristic is: cable in the extinguishing conditions can still maintain the line for a period of time of normal work. Briefly speaking, in case of fire, the cable will not go out at once, the circuit is relatively safe. 2. Fire-resistant cable structure characteristics of fire-resistant cable structure and ordinary cable is basically the same, the difference lies in the fire-resistant cable conductor using fire-resistant performance of the copper conductor (copper melting point of 1,083 ° C), and in the conductor and the insulating layer to increase between the fire-resistant layer. The refractory layer is made of multi-layer mica tape. Due to the different mica tape allowable working temperature difference is large, and thus the key to the fire resistance of the cable is the mica tape. 3. flame retardant cable means: in the rules of the experimental conditions, the specimen is extinguished, after the withdrawal of the experimental fire source, the spread of the flame is only in the limited range, the residual flame or residual burns in the limited time to extinguish their own cables. Its basic characteristic is: in the fire condition may be burned and can not operate, but can prevent the spread of fire. 4. In brief, the cable in case of fire, you can limit the extinguishing in part of the range, do not produce the spread of the other equipment to prevent the formation of greater losses. Flame-retardant cable construction characteristics of flame-retardant cable construction and ordinary cable is fundamentally the same, the difference is that its insulation, sheath, outer sheath, and auxiliary materials (tape and filler) all or part of the use of flame-retardant materials.

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