PVC Insulated Fixedly Laid Cable(Wire) Product Standard GB/T 5023-2008, equivalent to IEC 60227 Our PVC Insulated Fixedly Laid Cable is suitable for use in rated voltage 450/750 V and below power device for fixed laying, If you are also interested in our PVC Insulated Wire, Please call us at any time. In addition, we also supply 750V PVC Insulated Cable. Property for Use a. U0/U is 300/500 V and 450/750 V. b. Allowed work temperature for a long period: