Fire -resistant type cable

The utility model discloses a fire -resistant type cable, include the electric cable core of three groups, be located the sinle silk coating in the electricity cable core outside, electricity cable core has cup jointed ceramic threading pipe in the outside, ceramic threading intraduct be provided with with the triangle baffle of electricity cable core separation, ceramic threading outside of tubesside is provided with glass silk heat insulation layer, the glass silk heat insulation layer outside is provided with the silicon rubber protective layer, every section is connected for the sectionaltype to ceramic threading pipe is ceramic threading pipe range degree 5mm 50mm. Beneficial effect lies in: the utility model discloses a silicon rubber protective layer can form the protective layerwhen the flame firing, protection of cables's inner structure is stable to improve the flexibility of cable under normal condition, through the sectional type in sinle silk outside setting ceramic threading pipe can be right un