The utility model relates to a wear -resisting, low temperature resistant rubber of 400Hz intermediate frequency cover flexible cable, conductor sinle silk including six types of soft copper conductor silk thread transposition constitutions of seven cause strandeds, constitute the conductor strand behind the nonpolar EP rubbers's of the outside of conductor sinle silk parcel insulating layer, seven one conductor strands occupy central authorities, the six roots of sensation is encircleed and is arranged, it has six roots of sensation control heart yearn to settle in the conductor strand outside interval of arranging is encircleed to the six roots of sensation, the outside winding of cable comprising six roots of sensation control heart yearn and seven conductor strands transposition has around the band, the enhancement layer is woven to outer parcel around the band, the restrictive coating that has chlorosulfonation rubber at the outside plastic envelope of weaving the enhancement layer. The utility model discloses the conductor adopts each stranding component to carry out the syntropy transposition, increases the compliance of cable, adopts unique 1+6 structure, reduces skin effect, reduces resistance value and alternate balanced deviation, has good weatherability and higher insulation resistance.