NEC CM CL2; UL2464. Belden Proprietary Twinaxial Cable 9463. 9463 or better known as Blue Hose® is the prime choice of many PLC manufacturers for distributed IO. Features and Benefits ·Beldfoil® polyester-Aluminium shield in Zfold® construction ·55% tinned copper braid under a blue PVC or LSNH sheath