... than 10 years experience 1,Product NameTravelling Control Cable for Elevator 2,Product standardGB5023.6-1997(idt IEC227-6:1985) 3 ... insulation. Grey or Black 11,Burning testAccording with IEC60332-1 single vertical burning requirement 12,DC resistance of conductor at 20 ... core has no broken circuit and short circuit) 16,While elevator running speed is 1.6m/s less than v 4 ...