... orderDelivery Detail20 days after receiving the order from the customerSpecificationsindoor telephone cable 1)conductor:0.5mm copper 2)2 pairs to ... 3)PE insulation, FR PVC sheath 4)UL CE RoshIndoor telephone cable1. Conductor: Adopt soft round copper wire as conductors, whose ... sheath material is up to the standard of GB88155. Indoor telephone cable and outdoor telephone cable, Type for HYV,HYY,HYYC