Belden Yj72029, 24 Awg X 2 Pair Rs-485 Cable : 2 Pairs, 24 Awg Stranded Tinned Copper Conductors, Ldpe Insulation,Overall Beldfoil? Shieldand Plug A 24 Awg Stranded Tinned Copper Drain Wire, Plus Tinned Copper Braid (50% Coverage),Overall Pvc Jacket.