Compensating cable for security against fire

The utility model relates to a compensating cable for security against fire, including the nickel -clad copper conductor, the crowded package of surface of nickel -clad copper conductor has the insulating layer in order to constitute the sinle silk, has guaranteed the rounding nature of cable conductor outward appearance and the compliance of itself, the insulating layer is made for pottery polyolefin material, the quantity of sinle silk is two, and two sinle silks strand with the constitution cable core mutually, the crowded package of surface of cable core has the restrictive coating. The restrictive coating is made for pottery polyolefin material. The utility model has the advantages of allow high temperature resistant, fire -resistant, chemical resistance for a long time, high abrasion, fire -retardant, insulating properties is good, and the softness is convenient for remove, has not only satisfied high temperature resistant, fire -resistant performance requirements, has long -term high temperature resistant, fire -resistant characteristic, can make things convenient for transportation, installation and the use of cable moreover.