CAT3 Cable UTP Structure: Copper Conductor, HDPE Insulation, Ripcord, Jacket Application: 10 Base-T, 100 Base-T4, Telephony Voice Wiring Production description: Rated temperature·ª60++C, 75++C, 90++C Reference standard: UL444, UL1581 Bare solid copper conductor RoHS Complied PVC, PE or LOSH Jacket Complies to TIA·+EIA-568B&ISO·+IEC11801 Installation temperature: -30++C-+50++C