Product Standard GB/T 12706-2008 standard equivalent to IEC502(2004). Usage This product is suitable for use in rated AC voltage(U0/U) 0.6 / 1.0 KV and below transmitting and distributing circuit . Property for Use a. Allowed maximum work temperature is 70 â?? , for short circuit(5s), conductor maximum temperature is 160 â?? . b. While laying cable, the environmental temperature should not be less than 0 â?? , for bend radius , should be not less than 10 times of cable overall diameter. Note: Huiyou Cable supply PVC Insulated Power Cable, which include HV power cable and 1.0kv Power Cable . Our products have high quality and competitive prices. By the way, Our factory can produce refractory 90 â?? and 120 â?? power cable