... -85°CVoltage grade 1100 VoltsCore identification as per ISI colour code along with numberingSheath materials PVC ST-1, ST-2, ... Copper, Control Cables, Type YY, YWY, YFY Conductor Solid, StrandedColour Code : As per ISIWorking Voltage : 650/1100 Volts Test Voltage : 3000 ... also design, develop and manufacture cables as per various other international standards like VDE, BS, IEC, ASTM, JIS etc., and ...